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  • Committer: Teddy Hogeborn
  • Date: 2010-09-25 23:52:17 UTC
  • Revision ID: teddy@fukt.bsnet.se-20100925235217-4hhqfryz1ste6uw3
* mandos (ClientDBus.__init__): Bug fix: Translate "-" in client names
                                to "_" in D-Bus object paths.
  (MandosServer.handle_ipc): Bug fix: Send only address string to
                             D-Bus signal, not whole tuple.

* mandos-ctl: New options "--approve-by-default", "--deny-by-default",
              "--approval-delay", and "--approval-duration".
* mandos-ctl.xml (SYNOPSIS, OPTIONS): Document new options.

* mandos-monitor (MandosClientWidget.update): Fix spelling.

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mandos-monitor
1
1
#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
3
 
# 
4
 
# Mandos Monitor - Control and monitor the Mandos server
5
 
# 
6
 
# Copyright © 2009-2014 Teddy Hogeborn
7
 
# Copyright © 2009-2014 Björn Påhlsson
8
 
# 
9
 
# This program is free software: you can redistribute it and/or modify
10
 
# it under the terms of the GNU General Public License as published by
11
 
# the Free Software Foundation, either version 3 of the License, or
12
 
# (at your option) any later version.
13
 
#
14
 
#     This program is distributed in the hope that it will be useful,
15
 
#     but WITHOUT ANY WARRANTY; without even the implied warranty of
16
 
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17
 
#     GNU General Public License for more details.
18
 
# 
19
 
# You should have received a copy of the GNU General Public License
20
 
# along with this program.  If not, see
21
 
# <http://www.gnu.org/licenses/>.
22
 
# 
23
 
# Contact the authors at <mandos@recompile.se>.
24
 
# 
25
3
 
26
 
from __future__ import (division, absolute_import, print_function,
27
 
                        unicode_literals)
28
 
try:
29
 
    from future_builtins import *
30
 
except ImportError:
31
 
    pass
 
4
from __future__ import division, absolute_import, with_statement
32
5
 
33
6
import sys
34
7
import os
 
8
import signal
35
9
 
36
10
import datetime
37
11
 
39
13
import urwid
40
14
 
41
15
from dbus.mainloop.glib import DBusGMainLoop
42
 
try:
43
 
    import gobject
44
 
except ImportError:
45
 
    from gi.repository import GObject as gobject
 
16
import gobject
46
17
 
47
18
import dbus
48
19
 
 
20
import UserList
 
21
 
49
22
import locale
50
23
 
51
 
if sys.version_info.major == 2:
52
 
    str = unicode
53
 
 
54
 
locale.setlocale(locale.LC_ALL, '')
 
24
locale.setlocale(locale.LC_ALL, u'')
55
25
 
56
26
import logging
57
27
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
58
28
 
59
29
# Some useful constants
60
 
domain = 'se.recompile'
 
30
domain = 'se.bsnet.fukt'
61
31
server_interface = domain + '.Mandos'
62
32
client_interface = domain + '.Mandos.Client'
63
 
version = "1.6.8"
 
33
version = "1.0.15"
 
34
 
 
35
# Always run in monochrome mode
 
36
urwid.curses_display.curses.has_colors = lambda : False
 
37
 
 
38
# Urwid doesn't support blinking, but we want it.  Since we have no
 
39
# use for underline on its own, we make underline also always blink.
 
40
urwid.curses_display.curses.A_UNDERLINE |= (
 
41
    urwid.curses_display.curses.A_BLINK)
64
42
 
65
43
def isoformat_to_datetime(iso):
66
44
    "Parse an ISO 8601 date string to a datetime.datetime()"
67
45
    if not iso:
68
46
        return None
69
 
    d, t = iso.split("T", 1)
70
 
    year, month, day = d.split("-", 2)
71
 
    hour, minute, second = t.split(":", 2)
 
47
    d, t = iso.split(u"T", 1)
 
48
    year, month, day = d.split(u"-", 2)
 
49
    hour, minute, second = t.split(u":", 2)
72
50
    second, fraction = divmod(float(second), 1)
73
51
    return datetime.datetime(int(year),
74
52
                             int(month),
83
61
    properties and calls a hook function when any of them are
84
62
    changed.
85
63
    """
86
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
64
    def __init__(self, proxy_object=None, *args, **kwargs):
87
65
        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)
 
66
        
 
67
        self.properties = dict()
 
68
        self.proxy.connect_to_signal(u"PropertyChanged",
 
69
                                     self.property_changed,
 
70
                                     client_interface,
 
71
                                     byte_arrays=True)
 
72
        
 
73
        self.properties.update(
 
74
            self.proxy.GetAll(client_interface,
 
75
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
76
 
 
77
        #XXX This break good super behaviour!
 
78
#        super(MandosClientPropertyCache, self).__init__(
 
79
#            *args, **kwargs)
106
80
    
107
81
    def property_changed(self, property=None, value=None):
108
82
        """This is called whenever we get a PropertyChanged signal
110
84
        """
111
85
        # Update properties dict with new value
112
86
        self.properties[property] = value
113
 
    
114
 
    def delete(self):
115
 
        self.property_changed_match.remove()
116
87
 
117
88
 
118
89
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
120
91
    """
121
92
    
122
93
    def __init__(self, server_proxy_object=None, update_hook=None,
123
 
                 delete_hook=None, logger=None, **kwargs):
 
94
                 delete_hook=None, logger=None, *args, **kwargs):
124
95
        # Called on update
125
96
        self.update_hook = update_hook
126
97
        # Called on delete
131
102
        self.logger = logger
132
103
        
133
104
        self._update_timer_callback_tag = None
 
105
        self.last_checker_failed = False
134
106
        
135
107
        # The widget shown normally
136
 
        self._text_widget = urwid.Text("")
 
108
        self._text_widget = urwid.Text(u"")
137
109
        # The widget shown when we have focus
138
 
        self._focus_text_widget = urwid.Text("")
139
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
110
        self._focus_text_widget = urwid.Text(u"")
 
111
        super(MandosClientWidget, self).__init__(
 
112
            update_hook=update_hook, delete_hook=delete_hook,
 
113
            *args, **kwargs)
140
114
        self.update()
141
115
        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 {}'
165
 
                    .format(self.properties["Name"]), level=0)
166
 
    
167
 
    def using_timer(self, flag):
168
 
        """Call this method with True or False when timer should be
169
 
        activated or deactivated.
170
 
        """
171
 
        if flag and self._update_timer_callback_tag is None:
172
 
            # Will update the shown timer value every second
 
116
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
117
                                     self.checker_completed,
 
118
                                     client_interface,
 
119
                                     byte_arrays=True)
 
120
        self.proxy.connect_to_signal(u"CheckerStarted",
 
121
                                     self.checker_started,
 
122
                                     client_interface,
 
123
                                     byte_arrays=True)
 
124
        self.proxy.connect_to_signal(u"GotSecret",
 
125
                                     self.got_secret,
 
126
                                     client_interface,
 
127
                                     byte_arrays=True)
 
128
        self.proxy.connect_to_signal(u"NeedApproval",
 
129
                                     self.need_approval,
 
130
                                     client_interface,
 
131
                                     byte_arrays=True)
 
132
        self.proxy.connect_to_signal(u"Rejected",
 
133
                                     self.rejected,
 
134
                                     client_interface,
 
135
                                     byte_arrays=True)
 
136
        last_checked_ok = isoformat_to_datetime(self.properties
 
137
                                                [u"LastCheckedOK"])
 
138
        if last_checked_ok is None:
 
139
            self.last_checker_failed = True
 
140
        else:
 
141
            self.last_checker_failed = ((datetime.datetime.utcnow()
 
142
                                         - last_checked_ok)
 
143
                                        > datetime.timedelta
 
144
                                        (milliseconds=
 
145
                                         self.properties
 
146
                                         [u"Interval"]))
 
147
        if self.last_checker_failed:
173
148
            self._update_timer_callback_tag = (gobject.timeout_add
174
149
                                               (1000,
175
150
                                                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
179
151
    
180
152
    def checker_completed(self, exitstatus, condition, command):
181
153
        if exitstatus == 0:
182
 
            self.logger('Checker for client {} (command "{}")'
183
 
                        ' succeeded'.format(self.properties["Name"],
184
 
                                            command), level=0)
 
154
            if self.last_checker_failed:
 
155
                self.last_checker_failed = False
 
156
                gobject.source_remove(self._update_timer_callback_tag)
 
157
                self._update_timer_callback_tag = None
 
158
            #self.logger(u'Checker for client %s (command "%s")'
 
159
            #            u' was successful'
 
160
            #            % (self.properties[u"Name"], command))
185
161
            self.update()
186
162
            return
187
163
        # Checker failed
 
164
        if not self.last_checker_failed:
 
165
            self.last_checker_failed = True
 
166
            self._update_timer_callback_tag = (gobject.timeout_add
 
167
                                               (1000,
 
168
                                                self.update_timer))
188
169
        if os.WIFEXITED(condition):
189
 
            self.logger('Checker for client {} (command "{}") failed'
190
 
                        ' with exit code {}'
191
 
                        .format(self.properties["Name"], command,
192
 
                                os.WEXITSTATUS(condition)))
 
170
            self.logger(u'Checker for client %s (command "%s")'
 
171
                        u' failed with exit code %s'
 
172
                        % (self.properties[u"Name"], command,
 
173
                           os.WEXITSTATUS(condition)))
193
174
        elif os.WIFSIGNALED(condition):
194
 
            self.logger('Checker for client {} (command "{}") was'
195
 
                        ' killed by signal {}'
196
 
                        .format(self.properties["Name"], command,
197
 
                                os.WTERMSIG(condition)))
 
175
            self.logger(u'Checker for client %s (command "%s")'
 
176
                        u' was killed by signal %s'
 
177
                        % (self.properties[u"Name"], command,
 
178
                           os.WTERMSIG(condition)))
198
179
        elif os.WCOREDUMP(condition):
199
 
            self.logger('Checker for client {} (command "{}") dumped'
200
 
                        ' core'.format(self.properties["Name"],
201
 
                                       command))
 
180
            self.logger(u'Checker for client %s (command "%s")'
 
181
                        u' dumped core'
 
182
                        % (self.properties[u"Name"], command))
202
183
        else:
203
 
            self.logger('Checker for client {} completed'
204
 
                        ' mysteriously'
205
 
                        .format(self.properties["Name"]))
 
184
            self.logger(u'Checker for client %s completed'
 
185
                        u' mysteriously')
206
186
        self.update()
207
187
    
208
188
    def checker_started(self, command):
209
 
        """Server signals that a checker started."""
210
 
        self.logger('Client {} started checker "{}"'
211
 
                    .format(self.properties["Name"],
212
 
                            command), level=0)
 
189
        #self.logger(u'Client %s started checker "%s"'
 
190
        #            % (self.properties[u"Name"], unicode(command)))
 
191
        pass
213
192
    
214
193
    def got_secret(self):
215
 
        self.logger('Client {} received its secret'
216
 
                    .format(self.properties["Name"]))
 
194
        self.last_checker_failed = False
 
195
        self.logger(u'Client %s received its secret'
 
196
                    % self.properties[u"Name"])
217
197
    
218
198
    def need_approval(self, timeout, default):
219
199
        if not default:
220
 
            message = 'Client {} needs approval within {} seconds'
 
200
            message = u'Client %s needs approval within %s seconds'
221
201
        else:
222
 
            message = 'Client {} will get its secret in {} seconds'
223
 
        self.logger(message.format(self.properties["Name"],
224
 
                                   timeout/1000))
 
202
            message = u'Client %s will get its secret in %s seconds'
 
203
        self.logger(message
 
204
                    % (self.properties[u"Name"], timeout/1000))
225
205
    
226
206
    def rejected(self, reason):
227
 
        self.logger('Client {} was rejected; reason: {}'
228
 
                    .format(self.properties["Name"], reason))
 
207
        self.logger(u'Client %s was rejected; reason: %s'
 
208
                    % (self.properties[u"Name"], reason))
229
209
    
230
210
    def selectable(self):
231
211
        """Make this a "selectable" widget.
232
212
        This overrides the method from urwid.FlowWidget."""
233
213
        return True
234
214
    
235
 
    def rows(self, maxcolrow, focus=False):
 
215
    def rows(self, (maxcol,), focus=False):
236
216
        """How many rows this widget will occupy might depend on
237
217
        whether we have focus or not.
238
218
        This overrides the method from urwid.FlowWidget"""
239
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
219
        return self.current_widget(focus).rows((maxcol,), focus=focus)
240
220
    
241
221
    def current_widget(self, focus=False):
242
222
        if focus or self.opened:
246
226
    def update(self):
247
227
        "Called when what is visible on the screen should be updated."
248
228
        # How to add standout mode to a style
249
 
        with_standout = { "normal": "standout",
250
 
                          "bold": "bold-standout",
251
 
                          "underline-blink":
252
 
                              "underline-blink-standout",
253
 
                          "bold-underline-blink":
254
 
                              "bold-underline-blink-standout",
 
229
        with_standout = { u"normal": u"standout",
 
230
                          u"bold": u"bold-standout",
 
231
                          u"underline-blink":
 
232
                              u"underline-blink-standout",
 
233
                          u"bold-underline-blink":
 
234
                              u"bold-underline-blink-standout",
255
235
                          }
256
 
        
 
236
 
257
237
        # Rebuild focus and non-focus widgets using current properties
258
 
        
 
238
 
259
239
        # Base part of a client. Name!
260
 
        base = '{name}: '.format(name=self.properties["Name"])
261
 
        if not self.properties["Enabled"]:
262
 
            message = "DISABLED"
263
 
            self.using_timer(False)
264
 
        elif self.properties["ApprovalPending"]:
 
240
        base = (u'%(name)s: '
 
241
                      % {u"name": self.properties[u"Name"]})
 
242
        if not self.properties[u"Enabled"]:
 
243
            message = u"DISABLED"
 
244
        elif self.properties[u"ApprovalPending"]:
 
245
            if self.properties[u"ApprovedByDefault"]:
 
246
                message = u"Connection established to client. (d)eny?"
 
247
            else:
 
248
                message = u"Seeks approval to send secret. (a)pprove?"
 
249
        elif self.last_checker_failed:
265
250
            timeout = datetime.timedelta(milliseconds
266
251
                                         = self.properties
267
 
                                         ["ApprovalDelay"])
268
 
            last_approval_request = isoformat_to_datetime(
269
 
                self.properties["LastApprovalRequest"])
270
 
            if last_approval_request is not None:
271
 
                timer = max(timeout - (datetime.datetime.utcnow()
272
 
                                       - last_approval_request),
273
 
                            datetime.timedelta())
274
 
            else:
275
 
                timer = datetime.timedelta()
276
 
            if self.properties["ApprovedByDefault"]:
277
 
                message = "Approval in {}. (d)eny?"
278
 
            else:
279
 
                message = "Denial in {}. (a)pprove?"
280
 
            message = message.format(str(timer).rsplit(".", 1)[0])
281
 
            self.using_timer(True)
282
 
        elif self.properties["LastCheckerStatus"] != 0:
283
 
            # When checker has failed, show timer until client expires
284
 
            expires = self.properties["Expires"]
285
 
            if expires == "":
286
 
                timer = datetime.timedelta(0)
287
 
            else:
288
 
                expires = (datetime.datetime.strptime
289
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
290
 
                timer = max(expires - datetime.datetime.utcnow(),
291
 
                            datetime.timedelta())
292
 
            message = ('A checker has failed! Time until client'
293
 
                       ' gets disabled: {}'
294
 
                       .format(str(timer).rsplit(".", 1)[0]))
295
 
            self.using_timer(True)
 
252
                                         [u"Timeout"])
 
253
            last_ok = isoformat_to_datetime(
 
254
                max((self.properties[u"LastCheckedOK"]
 
255
                     or self.properties[u"Created"]),
 
256
                    self.properties[u"LastEnabled"]))
 
257
            timer = timeout - (datetime.datetime.utcnow() - last_ok)
 
258
            message = (u'A checker has failed! Time until client'
 
259
                       u' gets disabled: %s'
 
260
                           % unicode(timer).rsplit(".", 1)[0])
296
261
        else:
297
 
            message = "enabled"
298
 
            self.using_timer(False)
299
 
        self._text = "{}{}".format(base, message)
300
 
        
 
262
            message = u"enabled"
 
263
        self._text = "%s%s" % (base, message)
 
264
            
301
265
        if not urwid.supports_unicode():
302
266
            self._text = self._text.encode("ascii", "replace")
303
 
        textlist = [("normal", self._text)]
 
267
        textlist = [(u"normal", self._text)]
304
268
        self._text_widget.set_text(textlist)
305
269
        self._focus_text_widget.set_text([(with_standout[text[0]],
306
270
                                           text[1])
315
279
            self.update_hook()
316
280
    
317
281
    def update_timer(self):
318
 
        """called by gobject. Will indefinitely loop until
319
 
        gobject.source_remove() on tag is called"""
 
282
        "called by gobject"
320
283
        self.update()
321
284
        return True             # Keep calling this
322
285
    
323
 
    def delete(self, **kwargs):
 
286
    def delete(self):
324
287
        if self._update_timer_callback_tag is not None:
325
288
            gobject.source_remove(self._update_timer_callback_tag)
326
289
            self._update_timer_callback_tag = None
327
 
        for match in self.match_objects:
328
 
            match.remove()
329
 
        self.match_objects = ()
330
290
        if self.delete_hook is not None:
331
291
            self.delete_hook(self)
332
 
        return super(MandosClientWidget, self).delete(**kwargs)
333
292
    
334
 
    def render(self, maxcolrow, focus=False):
 
293
    def render(self, (maxcol,), focus=False):
335
294
        """Render differently if we have focus.
336
295
        This overrides the method from urwid.FlowWidget"""
337
 
        return self.current_widget(focus).render(maxcolrow,
 
296
        return self.current_widget(focus).render((maxcol,),
338
297
                                                 focus=focus)
339
298
    
340
 
    def keypress(self, maxcolrow, key):
 
299
    def keypress(self, (maxcol,), key):
341
300
        """Handle keys.
342
301
        This overrides the method from urwid.FlowWidget"""
343
 
        if key == "+":
344
 
            self.proxy.Enable(dbus_interface = client_interface,
345
 
                              ignore_reply=True)
346
 
        elif key == "-":
347
 
            self.proxy.Disable(dbus_interface = client_interface,
348
 
                               ignore_reply=True)
349
 
        elif key == "a":
 
302
        if key == u"+":
 
303
            self.proxy.Enable(dbus_interface = client_interface)
 
304
        elif key == u"-":
 
305
            self.proxy.Disable(dbus_interface = client_interface)
 
306
        elif key == u"a":
350
307
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
351
 
                               dbus_interface = client_interface,
352
 
                               ignore_reply=True)
353
 
        elif key == "d":
 
308
                               dbus_interface = client_interface)
 
309
        elif key == u"d":
354
310
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
355
 
                                  dbus_interface = client_interface,
356
 
                               ignore_reply=True)
357
 
        elif key == "R" or key == "_" or key == "ctrl k":
 
311
                                  dbus_interface = client_interface)
 
312
        elif key == u"r" or key == u"_" or key == u"ctrl k":
358
313
            self.server_proxy_object.RemoveClient(self.proxy
359
 
                                                  .object_path,
360
 
                                                  ignore_reply=True)
361
 
        elif key == "s":
362
 
            self.proxy.StartChecker(dbus_interface = client_interface,
363
 
                                    ignore_reply=True)
364
 
        elif key == "S":
365
 
            self.proxy.StopChecker(dbus_interface = client_interface,
366
 
                                   ignore_reply=True)
367
 
        elif key == "C":
368
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
369
 
                                 ignore_reply=True)
 
314
                                                  .object_path)
 
315
        elif key == u"s":
 
316
            self.proxy.StartChecker(dbus_interface = client_interface)
 
317
        elif key == u"S":
 
318
            self.proxy.StopChecker(dbus_interface = client_interface)
 
319
        elif key == u"C":
 
320
            self.proxy.CheckedOK(dbus_interface = client_interface)
370
321
        # xxx
371
 
#         elif key == "p" or key == "=":
 
322
#         elif key == u"p" or key == "=":
372
323
#             self.proxy.pause()
373
 
#         elif key == "u" or key == ":":
 
324
#         elif key == u"u" or key == ":":
374
325
#             self.proxy.unpause()
375
 
#         elif key == "RET":
 
326
#         elif key == u"RET":
376
327
#             self.open()
377
328
        else:
378
329
            return key
379
330
    
380
 
    def property_changed(self, property=None, **kwargs):
 
331
    def property_changed(self, property=None, value=None,
 
332
                         *args, **kwargs):
381
333
        """Call self.update() if old value is not new value.
382
334
        This overrides the method from MandosClientPropertyCache"""
383
 
        property_name = str(property)
 
335
        property_name = unicode(property)
384
336
        old_value = self.properties.get(property_name)
385
337
        super(MandosClientWidget, self).property_changed(
386
 
            property=property, **kwargs)
 
338
            property=property, value=value, *args, **kwargs)
387
339
        if self.properties.get(property_name) != old_value:
388
340
            self.update()
389
341
 
393
345
    "down" key presses, thus not allowing any containing widgets to
394
346
    use them as an excuse to shift focus away from this widget.
395
347
    """
396
 
    def keypress(self, *args, **kwargs):
397
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
398
 
        if ret in ("up", "down"):
 
348
    def keypress(self, (maxcol, maxrow), key):
 
349
        ret = super(ConstrainedListBox, self).keypress((maxcol,
 
350
                                                        maxrow), key)
 
351
        if ret in (u"up", u"down"):
399
352
            return
400
353
        return ret
401
354
 
404
357
    """This is the entire user interface - the whole screen
405
358
    with boxes, lists of client widgets, etc.
406
359
    """
407
 
    def __init__(self, max_log_length=1000, log_level=1):
 
360
    def __init__(self, max_log_length=1000):
408
361
        DBusGMainLoop(set_as_default=True)
409
362
        
410
363
        self.screen = urwid.curses_display.Screen()
411
364
        
412
365
        self.screen.register_palette((
413
 
                ("normal",
414
 
                 "default", "default", None),
415
 
                ("bold",
416
 
                 "bold", "default", "bold"),
417
 
                ("underline-blink",
418
 
                 "underline,blink", "default", "underline,blink"),
419
 
                ("standout",
420
 
                 "standout", "default", "standout"),
421
 
                ("bold-underline-blink",
422
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
423
 
                ("bold-standout",
424
 
                 "bold,standout", "default", "bold,standout"),
425
 
                ("underline-blink-standout",
426
 
                 "underline,blink,standout", "default",
427
 
                 "underline,blink,standout"),
428
 
                ("bold-underline-blink-standout",
429
 
                 "bold,underline,blink,standout", "default",
430
 
                 "bold,underline,blink,standout"),
 
366
                (u"normal",
 
367
                 u"default", u"default", None),
 
368
                (u"bold",
 
369
                 u"default", u"default", u"bold"),
 
370
                (u"underline-blink",
 
371
                 u"default", u"default", u"underline"),
 
372
                (u"standout",
 
373
                 u"default", u"default", u"standout"),
 
374
                (u"bold-underline-blink",
 
375
                 u"default", u"default", (u"bold", u"underline")),
 
376
                (u"bold-standout",
 
377
                 u"default", u"default", (u"bold", u"standout")),
 
378
                (u"underline-blink-standout",
 
379
                 u"default", u"default", (u"underline", u"standout")),
 
380
                (u"bold-underline-blink-standout",
 
381
                 u"default", u"default", (u"bold", u"underline",
 
382
                                          u"standout")),
431
383
                ))
432
384
        
433
385
        if urwid.supports_unicode():
434
 
            self.divider = "─" # \u2500
435
 
            #self.divider = "━" # \u2501
 
386
            self.divider = u"─" # \u2500
 
387
            #self.divider = u"━" # \u2501
436
388
        else:
437
 
            #self.divider = "-" # \u002d
438
 
            self.divider = "_" # \u005f
 
389
            #self.divider = u"-" # \u002d
 
390
            self.divider = u"_" # \u005f
439
391
        
440
392
        self.screen.start()
441
393
        
448
400
        self.log = []
449
401
        self.max_log_length = max_log_length
450
402
        
451
 
        self.log_level = log_level
452
 
        
453
403
        # We keep a reference to the log widget so we can remove it
454
404
        # from the ListWalker without it getting destroyed
455
405
        self.logbox = ConstrainedListBox(self.log)
457
407
        # This keeps track of whether self.uilist currently has
458
408
        # self.logbox in it or not
459
409
        self.log_visible = True
460
 
        self.log_wrap = "any"
 
410
        self.log_wrap = u"any"
461
411
        
462
412
        self.rebuild()
463
 
        self.log_message_raw(("bold",
464
 
                              "Mandos Monitor version " + version))
465
 
        self.log_message_raw(("bold",
466
 
                              "q: Quit  ?: Help"))
 
413
        self.log_message_raw((u"bold",
 
414
                              u"Mandos Monitor version " + version))
 
415
        self.log_message_raw((u"bold",
 
416
                              u"q: Quit  ?: Help"))
467
417
        
468
418
        self.busname = domain + '.Mandos'
469
419
        self.main_loop = gobject.MainLoop()
 
420
        self.bus = dbus.SystemBus()
 
421
        mandos_dbus_objc = self.bus.get_object(
 
422
            self.busname, u"/", follow_name_owner_changes=True)
 
423
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
424
                                          dbus_interface
 
425
                                          = server_interface)
 
426
        try:
 
427
            mandos_clients = (self.mandos_serv
 
428
                              .GetAllClientsWithProperties())
 
429
        except dbus.exceptions.DBusException:
 
430
            mandos_clients = dbus.Dictionary()
 
431
        
 
432
        (self.mandos_serv
 
433
         .connect_to_signal(u"ClientRemoved",
 
434
                            self.find_and_remove_client,
 
435
                            dbus_interface=server_interface,
 
436
                            byte_arrays=True))
 
437
        (self.mandos_serv
 
438
         .connect_to_signal(u"ClientAdded",
 
439
                            self.add_new_client,
 
440
                            dbus_interface=server_interface,
 
441
                            byte_arrays=True))
 
442
        (self.mandos_serv
 
443
         .connect_to_signal(u"ClientNotFound",
 
444
                            self.client_not_found,
 
445
                            dbus_interface=server_interface,
 
446
                            byte_arrays=True))
 
447
        for path, client in mandos_clients.iteritems():
 
448
            client_proxy_object = self.bus.get_object(self.busname,
 
449
                                                      path)
 
450
            self.add_client(MandosClientWidget(server_proxy_object
 
451
                                               =self.mandos_serv,
 
452
                                               proxy_object
 
453
                                               =client_proxy_object,
 
454
                                               properties=client,
 
455
                                               update_hook
 
456
                                               =self.refresh,
 
457
                                               delete_hook
 
458
                                               =self.remove_client,
 
459
                                               logger
 
460
                                               =self.log_message),
 
461
                            path=path)
470
462
    
471
463
    def client_not_found(self, fingerprint, address):
472
 
        self.log_message("Client with address {} and fingerprint {}"
473
 
                         " could not be found"
474
 
                         .format(address, fingerprint))
 
464
        self.log_message((u"Client with address %s and fingerprint %s"
 
465
                          u" could not be found" % (address,
 
466
                                                    fingerprint)))
475
467
    
476
468
    def rebuild(self):
477
469
        """This rebuilds the User Interface.
487
479
                                                     self.divider)))
488
480
        if self.log_visible:
489
481
            self.uilist.append(self.logbox)
 
482
            pass
490
483
        self.topwidget = urwid.Pile(self.uilist)
491
484
    
492
 
    def log_message(self, message, level=1):
493
 
        """Log message formatted with timestamp"""
494
 
        if level < self.log_level:
495
 
            return
 
485
    def log_message(self, message):
496
486
        timestamp = datetime.datetime.now().isoformat()
497
 
        self.log_message_raw("{}: {}".format(timestamp, message),
498
 
                             level=level)
 
487
        self.log_message_raw(timestamp + u": " + message)
499
488
    
500
 
    def log_message_raw(self, markup, level=1):
 
489
    def log_message_raw(self, markup):
501
490
        """Add a log message to the log buffer."""
502
 
        if level < self.log_level:
503
 
            return
504
491
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
505
492
        if (self.max_log_length
506
493
            and len(self.log) > self.max_log_length):
507
494
            del self.log[0:len(self.log)-self.max_log_length-1]
508
495
        self.logbox.set_focus(len(self.logbox.body.contents),
509
 
                              coming_from="above")
 
496
                              coming_from=u"above")
510
497
        self.refresh()
511
498
    
512
499
    def toggle_log_display(self):
513
500
        """Toggle visibility of the log buffer."""
514
501
        self.log_visible = not self.log_visible
515
502
        self.rebuild()
516
 
        self.log_message("Log visibility changed to: {}"
517
 
                         .format(self.log_visible), level=0)
 
503
        #self.log_message(u"Log visibility changed to: "
 
504
        #                 + unicode(self.log_visible))
518
505
    
519
506
    def change_log_display(self):
520
507
        """Change type of log display.
521
508
        Currently, this toggles wrapping of text lines."""
522
 
        if self.log_wrap == "clip":
523
 
            self.log_wrap = "any"
 
509
        if self.log_wrap == u"clip":
 
510
            self.log_wrap = u"any"
524
511
        else:
525
 
            self.log_wrap = "clip"
 
512
            self.log_wrap = u"clip"
526
513
        for textwidget in self.log:
527
514
            textwidget.set_wrap_mode(self.log_wrap)
528
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
529
 
                         level=0)
 
515
        #self.log_message(u"Wrap mode: " + self.log_wrap)
530
516
    
531
517
    def find_and_remove_client(self, path, name):
532
 
        """Find a client by its object path and remove it.
 
518
        """Find an client from its object path and remove it.
533
519
        
534
520
        This is connected to the ClientRemoved signal from the
535
521
        Mandos server object."""
537
523
            client = self.clients_dict[path]
538
524
        except KeyError:
539
525
            # not found?
540
 
            self.log_message("Unknown client {!r} ({!r}) removed"
541
 
                             .format(name, path))
542
526
            return
543
 
        client.delete()
 
527
        self.remove_client(client, path)
544
528
    
545
529
    def add_new_client(self, path):
546
530
        client_proxy_object = self.bus.get_object(self.busname, path)
561
545
        if path is None:
562
546
            path = client.proxy.object_path
563
547
        self.clients_dict[path] = client
564
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
548
        self.clients.sort(None, lambda c: c.properties[u"Name"])
565
549
        self.refresh()
566
550
    
567
551
    def remove_client(self, client, path=None):
569
553
        if path is None:
570
554
            path = client.proxy.object_path
571
555
        del self.clients_dict[path]
 
556
        if not self.clients_dict:
 
557
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
558
            # is completely emptied, we need to recreate it.
 
559
            self.clients = urwid.SimpleListWalker([])
 
560
            self.rebuild()
572
561
        self.refresh()
573
562
    
574
563
    def refresh(self):
578
567
    
579
568
    def run(self):
580
569
        """Start the main loop and exit when it's done."""
581
 
        self.bus = dbus.SystemBus()
582
 
        mandos_dbus_objc = self.bus.get_object(
583
 
            self.busname, "/", follow_name_owner_changes=True)
584
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
585
 
                                          dbus_interface
586
 
                                          = server_interface)
587
 
        try:
588
 
            mandos_clients = (self.mandos_serv
589
 
                              .GetAllClientsWithProperties())
590
 
            if not mandos_clients:
591
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
592
 
        except dbus.exceptions.DBusException:
593
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
594
 
            mandos_clients = dbus.Dictionary()
595
 
        
596
 
        (self.mandos_serv
597
 
         .connect_to_signal("ClientRemoved",
598
 
                            self.find_and_remove_client,
599
 
                            dbus_interface=server_interface,
600
 
                            byte_arrays=True))
601
 
        (self.mandos_serv
602
 
         .connect_to_signal("ClientAdded",
603
 
                            self.add_new_client,
604
 
                            dbus_interface=server_interface,
605
 
                            byte_arrays=True))
606
 
        (self.mandos_serv
607
 
         .connect_to_signal("ClientNotFound",
608
 
                            self.client_not_found,
609
 
                            dbus_interface=server_interface,
610
 
                            byte_arrays=True))
611
 
        for path, client in mandos_clients.items():
612
 
            client_proxy_object = self.bus.get_object(self.busname,
613
 
                                                      path)
614
 
            self.add_client(MandosClientWidget(server_proxy_object
615
 
                                               =self.mandos_serv,
616
 
                                               proxy_object
617
 
                                               =client_proxy_object,
618
 
                                               properties=client,
619
 
                                               update_hook
620
 
                                               =self.refresh,
621
 
                                               delete_hook
622
 
                                               =self.remove_client,
623
 
                                               logger
624
 
                                               =self.log_message),
625
 
                            path=path)
626
 
        
627
570
        self.refresh()
628
571
        self._input_callback_tag = (gobject.io_add_watch
629
572
                                    (sys.stdin.fileno(),
639
582
    
640
583
    def process_input(self, source, condition):
641
584
        keys = self.screen.get_input()
642
 
        translations = { "ctrl n": "down",      # Emacs
643
 
                         "ctrl p": "up",        # Emacs
644
 
                         "ctrl v": "page down", # Emacs
645
 
                         "meta v": "page up",   # Emacs
646
 
                         " ": "page down",      # less
647
 
                         "f": "page down",      # less
648
 
                         "b": "page up",        # less
649
 
                         "j": "down",           # vi
650
 
                         "k": "up",             # vi
 
585
        translations = { u"ctrl n": u"down",      # Emacs
 
586
                         u"ctrl p": u"up",        # Emacs
 
587
                         u"ctrl v": u"page down", # Emacs
 
588
                         u"meta v": u"page up",   # Emacs
 
589
                         u" ": u"page down",      # less
 
590
                         u"f": u"page down",      # less
 
591
                         u"b": u"page up",        # less
 
592
                         u"j": u"down",           # vi
 
593
                         u"k": u"up",             # vi
651
594
                         }
652
595
        for key in keys:
653
596
            try:
655
598
            except KeyError:    # :-)
656
599
                pass
657
600
            
658
 
            if key == "q" or key == "Q":
 
601
            if key == u"q" or key == u"Q":
659
602
                self.stop()
660
603
                break
661
 
            elif key == "window resize":
 
604
            elif key == u"window resize":
662
605
                self.size = self.screen.get_cols_rows()
663
606
                self.refresh()
664
 
            elif key == "ctrl l":
665
 
                self.screen.clear()
 
607
            elif key == u"\f":  # Ctrl-L
666
608
                self.refresh()
667
 
            elif key == "l" or key == "D":
 
609
            elif key == u"l" or key == u"D":
668
610
                self.toggle_log_display()
669
611
                self.refresh()
670
 
            elif key == "w" or key == "i":
 
612
            elif key == u"w" or key == u"i":
671
613
                self.change_log_display()
672
614
                self.refresh()
673
 
            elif key == "?" or key == "f1" or key == "esc":
 
615
            elif key == u"?" or key == u"f1" or key == u"esc":
674
616
                if not self.log_visible:
675
617
                    self.log_visible = True
676
618
                    self.rebuild()
677
 
                self.log_message_raw(("bold",
678
 
                                      "  ".
679
 
                                      join(("q: Quit",
680
 
                                            "?: Help",
681
 
                                            "l: Log window toggle",
682
 
                                            "TAB: Switch window",
683
 
                                            "w: Wrap (log lines)",
684
 
                                            "v: Toggle verbose log",
685
 
                                            ))))
686
 
                self.log_message_raw(("bold",
687
 
                                      "  "
688
 
                                      .join(("Clients:",
689
 
                                             "+: Enable",
690
 
                                             "-: Disable",
691
 
                                             "R: Remove",
692
 
                                             "s: Start new checker",
693
 
                                             "S: Stop checker",
694
 
                                             "C: Checker OK",
695
 
                                             "a: Approve",
696
 
                                             "d: Deny"))))
 
619
                self.log_message_raw((u"bold",
 
620
                                      u"  ".
 
621
                                      join((u"q: Quit",
 
622
                                            u"?: Help",
 
623
                                            u"l: Log window toggle",
 
624
                                            u"TAB: Switch window",
 
625
                                            u"w: Wrap (log)"))))
 
626
                self.log_message_raw((u"bold",
 
627
                                      u"  "
 
628
                                      .join((u"Clients:",
 
629
                                             u"+: Enable",
 
630
                                             u"-: Disable",
 
631
                                             u"r: Remove",
 
632
                                             u"s: Start new checker",
 
633
                                             u"S: Stop checker",
 
634
                                             u"C: Checker OK",
 
635
                                             u"a: Approve",
 
636
                                             u"d: Deny"))))
697
637
                self.refresh()
698
 
            elif key == "tab":
 
638
            elif key == u"tab":
699
639
                if self.topwidget.get_focus() is self.logbox:
700
640
                    self.topwidget.set_focus(0)
701
641
                else:
702
642
                    self.topwidget.set_focus(self.logbox)
703
643
                self.refresh()
704
 
            elif key == "v":
705
 
                if self.log_level == 0:
706
 
                    self.log_level = 1
707
 
                    self.log_message("Verbose mode: Off")
708
 
                else:
709
 
                    self.log_level = 0
710
 
                    self.log_message("Verbose mode: On")
711
 
            #elif (key == "end" or key == "meta >" or key == "G"
712
 
            #      or key == ">"):
 
644
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
645
            #      or key == u">"):
713
646
            #    pass            # xxx end-of-buffer
714
 
            #elif (key == "home" or key == "meta <" or key == "g"
715
 
            #      or key == "<"):
 
647
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
648
            #      or key == u"<"):
716
649
            #    pass            # xxx beginning-of-buffer
717
 
            #elif key == "ctrl e" or key == "$":
 
650
            #elif key == u"ctrl e" or key == u"$":
718
651
            #    pass            # xxx move-end-of-line
719
 
            #elif key == "ctrl a" or key == "^":
 
652
            #elif key == u"ctrl a" or key == u"^":
720
653
            #    pass            # xxx move-beginning-of-line
721
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
654
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
722
655
            #    pass            # xxx left
723
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
656
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
724
657
            #    pass            # xxx right
725
 
            #elif key == "a":
 
658
            #elif key == u"a":
726
659
            #    pass            # scroll up log
727
 
            #elif key == "z":
 
660
            #elif key == u"z":
728
661
            #    pass            # scroll down log
729
662
            elif self.topwidget.selectable():
730
663
                self.topwidget.keypress(self.size, key)
736
669
    ui.run()
737
670
except KeyboardInterrupt:
738
671
    ui.screen.stop()
739
 
except Exception as e:
740
 
    ui.log_message(str(e))
 
672
except Exception, e:
 
673
    ui.log_message(unicode(e))
741
674
    ui.screen.stop()
742
675
    raise