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* mandos (AvahiService.entry_group_state_changed): Better debug log
                                                   message.
  (AvahiService.server_state_changed): Added debug log message.

* mandos-monitor (isoformat_to_datetime): New function.
  (MandosClientWidget): Show a countdown to disabling if last checker
                        failed.

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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 © 2009-2016 Teddy Hogeborn
7
 
# Copyright © 2009-2016 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
 
from gi.repository import GLib
 
16
import gobject
43
17
 
44
18
import dbus
45
19
 
 
20
import UserList
 
21
 
46
22
import locale
47
23
 
48
 
if sys.version_info.major == 2:
49
 
    str = unicode
50
 
 
51
 
locale.setlocale(locale.LC_ALL, '')
52
 
 
53
 
import logging
54
 
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
 
24
locale.setlocale(locale.LC_ALL, u'')
55
25
 
56
26
# Some useful constants
57
 
domain = 'se.recompile'
 
27
domain = 'se.bsnet.fukt'
58
28
server_interface = domain + '.Mandos'
59
29
client_interface = domain + '.Mandos.Client'
60
 
version = "1.7.5"
61
 
 
62
 
try:
63
 
    dbus.OBJECT_MANAGER_IFACE
64
 
except AttributeError:
65
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
30
version = "1.0.14"
 
31
 
 
32
# Always run in monochrome mode
 
33
urwid.curses_display.curses.has_colors = lambda : False
 
34
 
 
35
# Urwid doesn't support blinking, but we want it.  Since we have no
 
36
# use for underline on its own, we make underline also always blink.
 
37
urwid.curses_display.curses.A_UNDERLINE |= (
 
38
    urwid.curses_display.curses.A_BLINK)
66
39
 
67
40
def isoformat_to_datetime(iso):
68
41
    "Parse an ISO 8601 date string to a datetime.datetime()"
69
42
    if not iso:
70
43
        return None
71
 
    d, t = iso.split("T", 1)
72
 
    year, month, day = d.split("-", 2)
73
 
    hour, minute, second = t.split(":", 2)
 
44
    d, t = iso.split(u"T", 1)
 
45
    year, month, day = d.split(u"-", 2)
 
46
    hour, minute, second = t.split(u":", 2)
74
47
    second, fraction = divmod(float(second), 1)
75
48
    return datetime.datetime(int(year),
76
49
                             int(month),
85
58
    properties and calls a hook function when any of them are
86
59
    changed.
87
60
    """
88
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
61
    def __init__(self, proxy_object=None, *args, **kwargs):
89
62
        self.proxy = proxy_object # Mandos Client proxy object
90
 
        self.properties = dict() if properties is None else properties
91
 
        self.property_changed_match = (
92
 
            self.proxy.connect_to_signal("PropertiesChanged",
93
 
                                         self.properties_changed,
94
 
                                         dbus.PROPERTIES_IFACE,
95
 
                                         byte_arrays=True))
96
 
        
97
 
        if properties is None:
98
 
            self.properties.update(
99
 
                self.proxy.GetAll(client_interface,
100
 
                                  dbus_interface
101
 
                                  = dbus.PROPERTIES_IFACE))
102
 
        
103
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
63
        
 
64
        self.properties = dict()
 
65
        self.proxy.connect_to_signal(u"PropertyChanged",
 
66
                                     self.property_changed,
 
67
                                     client_interface,
 
68
                                     byte_arrays=True)
 
69
        
 
70
        self.properties.update(
 
71
            self.proxy.GetAll(client_interface,
 
72
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
73
        super(MandosClientPropertyCache, self).__init__(
 
74
            proxy_object=proxy_object, *args, **kwargs)
104
75
    
105
 
    def properties_changed(self, interface, properties, invalidated):
106
 
        """This is called whenever we get a PropertiesChanged signal
107
 
        It updates the changed properties in the "properties" dict.
 
76
    def property_changed(self, property=None, value=None):
 
77
        """This is called whenever we get a PropertyChanged signal
 
78
        It updates the changed property in the "properties" dict.
108
79
        """
109
80
        # Update properties dict with new value
110
 
        if interface == client_interface:
111
 
            self.properties.update(properties)
112
 
    
113
 
    def delete(self):
114
 
        self.property_changed_match.remove()
 
81
        self.properties[property] = value
115
82
 
116
83
 
117
84
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
119
86
    """
120
87
    
121
88
    def __init__(self, server_proxy_object=None, update_hook=None,
122
 
                 delete_hook=None, logger=None, **kwargs):
 
89
                 delete_hook=None, logger=None, *args, **kwargs):
123
90
        # Called on update
124
91
        self.update_hook = update_hook
125
92
        # Called on delete
130
97
        self.logger = logger
131
98
        
132
99
        self._update_timer_callback_tag = None
 
100
        self.last_checker_failed = False
133
101
        
134
102
        # The widget shown normally
135
 
        self._text_widget = urwid.Text("")
 
103
        self._text_widget = urwid.Text(u"")
136
104
        # The widget shown when we have focus
137
 
        self._focus_text_widget = urwid.Text("")
138
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
105
        self._focus_text_widget = urwid.Text(u"")
 
106
        super(MandosClientWidget, self).__init__(
 
107
            update_hook=update_hook, delete_hook=delete_hook,
 
108
            *args, **kwargs)
139
109
        self.update()
140
110
        self.opened = False
141
 
        
142
 
        self.match_objects = (
143
 
            self.proxy.connect_to_signal("CheckerCompleted",
144
 
                                         self.checker_completed,
145
 
                                         client_interface,
146
 
                                         byte_arrays=True),
147
 
            self.proxy.connect_to_signal("CheckerStarted",
148
 
                                         self.checker_started,
149
 
                                         client_interface,
150
 
                                         byte_arrays=True),
151
 
            self.proxy.connect_to_signal("GotSecret",
152
 
                                         self.got_secret,
153
 
                                         client_interface,
154
 
                                         byte_arrays=True),
155
 
            self.proxy.connect_to_signal("NeedApproval",
156
 
                                         self.need_approval,
157
 
                                         client_interface,
158
 
                                         byte_arrays=True),
159
 
            self.proxy.connect_to_signal("Rejected",
160
 
                                         self.rejected,
161
 
                                         client_interface,
162
 
                                         byte_arrays=True))
163
 
        self.logger('Created client {}'
164
 
                    .format(self.properties["Name"]), level=0)
165
 
    
166
 
    def using_timer(self, flag):
167
 
        """Call this method with True or False when timer should be
168
 
        activated or deactivated.
169
 
        """
170
 
        if flag and self._update_timer_callback_tag is None:
171
 
            # Will update the shown timer value every second
172
 
            self._update_timer_callback_tag = (GLib.timeout_add
 
111
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
112
                                     self.checker_completed,
 
113
                                     client_interface,
 
114
                                     byte_arrays=True)
 
115
        self.proxy.connect_to_signal(u"CheckerStarted",
 
116
                                     self.checker_started,
 
117
                                     client_interface,
 
118
                                     byte_arrays=True)
 
119
        self.proxy.connect_to_signal(u"GotSecret",
 
120
                                     self.got_secret,
 
121
                                     client_interface,
 
122
                                     byte_arrays=True)
 
123
        self.proxy.connect_to_signal(u"Rejected",
 
124
                                     self.rejected,
 
125
                                     client_interface,
 
126
                                     byte_arrays=True)
 
127
        last_checked_ok = isoformat_to_datetime(self.properties
 
128
                                                ["last_checked_ok"])
 
129
        if last_checked_ok is None:
 
130
            self.last_checker_failed = True
 
131
        else:
 
132
            self.last_checker_failed = ((datetime.datetime.utcnow()
 
133
                                         - last_checked_ok)
 
134
                                        > datetime.timedelta
 
135
                                        (milliseconds=
 
136
                                         self.properties["interval"]))
 
137
        if self.last_checker_failed:
 
138
            self._update_timer_callback_tag = (gobject.timeout_add
173
139
                                               (1000,
174
140
                                                self.update_timer))
175
 
        elif not (flag or self._update_timer_callback_tag is None):
176
 
            GLib.source_remove(self._update_timer_callback_tag)
177
 
            self._update_timer_callback_tag = None
178
141
    
179
142
    def checker_completed(self, exitstatus, condition, command):
180
143
        if exitstatus == 0:
181
 
            self.logger('Checker for client {} (command "{}")'
182
 
                        ' succeeded'.format(self.properties["Name"],
183
 
                                            command), level=0)
 
144
            if self.last_checker_failed:
 
145
                self.last_checker_failed = False
 
146
                gobject.source_remove(self._update_timer_callback_tag)
 
147
                self._update_timer_callback_tag = None
 
148
            self.logger(u'Checker for client %s (command "%s")'
 
149
                        u' was successful'
 
150
                        % (self.properties[u"name"], command))
184
151
            self.update()
185
152
            return
186
153
        # Checker failed
 
154
        if not self.last_checker_failed:
 
155
            self.last_checker_failed = True
 
156
            self._update_timer_callback_tag = (gobject.timeout_add
 
157
                                               (1000,
 
158
                                                self.update_timer))
187
159
        if os.WIFEXITED(condition):
188
 
            self.logger('Checker for client {} (command "{}") failed'
189
 
                        ' with exit code {}'
190
 
                        .format(self.properties["Name"], command,
191
 
                                os.WEXITSTATUS(condition)))
 
160
            self.logger(u'Checker for client %s (command "%s")'
 
161
                        u' failed with exit code %s'
 
162
                        % (self.properties[u"name"], command,
 
163
                           os.WEXITSTATUS(condition)))
192
164
        elif os.WIFSIGNALED(condition):
193
 
            self.logger('Checker for client {} (command "{}") was'
194
 
                        ' killed by signal {}'
195
 
                        .format(self.properties["Name"], command,
196
 
                                os.WTERMSIG(condition)))
 
165
            self.logger(u'Checker for client %s (command "%s")'
 
166
                        u' was killed by signal %s'
 
167
                        % (self.properties[u"name"], command,
 
168
                           os.WTERMSIG(condition)))
 
169
        elif os.WCOREDUMP(condition):
 
170
            self.logger(u'Checker for client %s (command "%s")'
 
171
                        u' dumped core'
 
172
                        % (self.properties[u"name"], command))
 
173
        else:
 
174
            self.logger(u'Checker for client %s completed mysteriously')
197
175
        self.update()
198
176
    
199
177
    def checker_started(self, command):
200
 
        """Server signals that a checker started."""
201
 
        self.logger('Client {} started checker "{}"'
202
 
                    .format(self.properties["Name"],
203
 
                            command), level=0)
 
178
        self.logger(u'Client %s started checker "%s"'
 
179
                    % (self.properties[u"name"], unicode(command)))
204
180
    
205
181
    def got_secret(self):
206
 
        self.logger('Client {} received its secret'
207
 
                    .format(self.properties["Name"]))
208
 
    
209
 
    def need_approval(self, timeout, default):
210
 
        if not default:
211
 
            message = 'Client {} needs approval within {} seconds'
212
 
        else:
213
 
            message = 'Client {} will get its secret in {} seconds'
214
 
        self.logger(message.format(self.properties["Name"],
215
 
                                   timeout/1000))
216
 
    
217
 
    def rejected(self, reason):
218
 
        self.logger('Client {} was rejected; reason: {}'
219
 
                    .format(self.properties["Name"], reason))
 
182
        self.logger(u'Client %s received its secret'
 
183
                    % self.properties[u"name"])
 
184
    
 
185
    def rejected(self):
 
186
        self.logger(u'Client %s was rejected'
 
187
                    % self.properties[u"name"])
220
188
    
221
189
    def selectable(self):
222
190
        """Make this a "selectable" widget.
223
191
        This overrides the method from urwid.FlowWidget."""
224
192
        return True
225
193
    
226
 
    def rows(self, maxcolrow, focus=False):
 
194
    def rows(self, (maxcol,), focus=False):
227
195
        """How many rows this widget will occupy might depend on
228
196
        whether we have focus or not.
229
197
        This overrides the method from urwid.FlowWidget"""
230
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
198
        return self.current_widget(focus).rows((maxcol,), focus=focus)
231
199
    
232
200
    def current_widget(self, focus=False):
233
201
        if focus or self.opened:
237
205
    def update(self):
238
206
        "Called when what is visible on the screen should be updated."
239
207
        # How to add standout mode to a style
240
 
        with_standout = { "normal": "standout",
241
 
                          "bold": "bold-standout",
242
 
                          "underline-blink":
243
 
                              "underline-blink-standout",
244
 
                          "bold-underline-blink":
245
 
                              "bold-underline-blink-standout",
 
208
        with_standout = { u"normal": u"standout",
 
209
                          u"bold": u"bold-standout",
 
210
                          u"underline-blink":
 
211
                              u"underline-blink-standout",
 
212
                          u"bold-underline-blink":
 
213
                              u"bold-underline-blink-standout",
246
214
                          }
247
215
        
248
216
        # Rebuild focus and non-focus widgets using current properties
249
 
        
250
 
        # Base part of a client. Name!
251
 
        base = '{name}: '.format(name=self.properties["Name"])
252
 
        if not self.properties["Enabled"]:
253
 
            message = "DISABLED"
254
 
            self.using_timer(False)
255
 
        elif self.properties["ApprovalPending"]:
256
 
            timeout = datetime.timedelta(milliseconds
257
 
                                         = self.properties
258
 
                                         ["ApprovalDelay"])
259
 
            last_approval_request = isoformat_to_datetime(
260
 
                self.properties["LastApprovalRequest"])
261
 
            if last_approval_request is not None:
262
 
                timer = max(timeout - (datetime.datetime.utcnow()
263
 
                                       - last_approval_request),
264
 
                            datetime.timedelta())
265
 
            else:
266
 
                timer = datetime.timedelta()
267
 
            if self.properties["ApprovedByDefault"]:
268
 
                message = "Approval in {}. (d)eny?"
269
 
            else:
270
 
                message = "Denial in {}. (a)pprove?"
271
 
            message = message.format(str(timer).rsplit(".", 1)[0])
272
 
            self.using_timer(True)
273
 
        elif self.properties["LastCheckerStatus"] != 0:
274
 
            # When checker has failed, show timer until client expires
275
 
            expires = self.properties["Expires"]
276
 
            if expires == "":
277
 
                timer = datetime.timedelta(0)
278
 
            else:
279
 
                expires = (datetime.datetime.strptime
280
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
281
 
                timer = max(expires - datetime.datetime.utcnow(),
282
 
                            datetime.timedelta())
283
 
            message = ('A checker has failed! Time until client'
284
 
                       ' gets disabled: {}'
285
 
                       .format(str(timer).rsplit(".", 1)[0]))
286
 
            self.using_timer(True)
287
 
        else:
288
 
            message = "enabled"
289
 
            self.using_timer(False)
290
 
        self._text = "{}{}".format(base, message)
291
 
        
 
217
        self._text = (u'%(name)s: %(enabled)s%(timer)s'
 
218
                      % { u"name": self.properties[u"name"],
 
219
                          u"enabled":
 
220
                              (u"enabled"
 
221
                               if self.properties[u"enabled"]
 
222
                               else u"DISABLED"),
 
223
                          u"timer": (unicode(datetime.timedelta
 
224
                                             (milliseconds =
 
225
                                              self.properties
 
226
                                              [u"timeout"])
 
227
                                             - (datetime.datetime
 
228
                                                .utcnow()
 
229
                                                - isoformat_to_datetime
 
230
                                                (max((self.properties
 
231
                                                 ["last_checked_ok"]
 
232
                                                 or
 
233
                                                 self.properties
 
234
                                                 ["created"]),
 
235
                                                    self.properties[u"last_enabled"]))))
 
236
                                     if (self.last_checker_failed
 
237
                                         and self.properties
 
238
                                         [u"enabled"])
 
239
                                     else u"")})
292
240
        if not urwid.supports_unicode():
293
241
            self._text = self._text.encode("ascii", "replace")
294
 
        textlist = [("normal", self._text)]
 
242
        textlist = [(u"normal", self._text)]
295
243
        self._text_widget.set_text(textlist)
296
244
        self._focus_text_widget.set_text([(with_standout[text[0]],
297
245
                                           text[1])
306
254
            self.update_hook()
307
255
    
308
256
    def update_timer(self):
309
 
        """called by GLib. Will indefinitely loop until
310
 
        GLib.source_remove() on tag is called
311
 
        """
 
257
        "called by gobject"
312
258
        self.update()
313
259
        return True             # Keep calling this
314
260
    
315
 
    def delete(self, **kwargs):
 
261
    def delete(self):
316
262
        if self._update_timer_callback_tag is not None:
317
 
            GLib.source_remove(self._update_timer_callback_tag)
 
263
            gobject.source_remove(self._update_timer_callback_tag)
318
264
            self._update_timer_callback_tag = None
319
 
        for match in self.match_objects:
320
 
            match.remove()
321
 
        self.match_objects = ()
322
265
        if self.delete_hook is not None:
323
266
            self.delete_hook(self)
324
 
        return super(MandosClientWidget, self).delete(**kwargs)
325
267
    
326
 
    def render(self, maxcolrow, focus=False):
 
268
    def render(self, (maxcol,), focus=False):
327
269
        """Render differently if we have focus.
328
270
        This overrides the method from urwid.FlowWidget"""
329
 
        return self.current_widget(focus).render(maxcolrow,
 
271
        return self.current_widget(focus).render((maxcol,),
330
272
                                                 focus=focus)
331
273
    
332
 
    def keypress(self, maxcolrow, key):
 
274
    def keypress(self, (maxcol,), key):
333
275
        """Handle keys.
334
276
        This overrides the method from urwid.FlowWidget"""
335
 
        if key == "+":
336
 
            self.proxy.Set(client_interface, "Enabled",
337
 
                           dbus.Boolean(True), ignore_reply = True,
338
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
339
 
        elif key == "-":
340
 
            self.proxy.Set(client_interface, "Enabled", False,
341
 
                           ignore_reply = True,
342
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
343
 
        elif key == "a":
344
 
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
345
 
                               dbus_interface = client_interface,
346
 
                               ignore_reply=True)
347
 
        elif key == "d":
348
 
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
349
 
                                  dbus_interface = client_interface,
350
 
                               ignore_reply=True)
351
 
        elif key == "R" or key == "_" or key == "ctrl k":
 
277
        if key == u"e" or key == u"+":
 
278
            self.proxy.Enable()
 
279
        elif key == u"d" or key == u"-":
 
280
            self.proxy.Disable()
 
281
        elif key == u"r" or key == u"_" or key == u"ctrl k":
352
282
            self.server_proxy_object.RemoveClient(self.proxy
353
 
                                                  .object_path,
354
 
                                                  ignore_reply=True)
355
 
        elif key == "s":
356
 
            self.proxy.Set(client_interface, "CheckerRunning",
357
 
                           dbus.Boolean(True), ignore_reply = True,
358
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
359
 
        elif key == "S":
360
 
            self.proxy.Set(client_interface, "CheckerRunning",
361
 
                           dbus.Boolean(False), ignore_reply = True,
362
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
363
 
        elif key == "C":
364
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
365
 
                                 ignore_reply=True)
 
283
                                                  .object_path)
 
284
        elif key == u"s":
 
285
            self.proxy.StartChecker()
 
286
        elif key == u"S":
 
287
            self.proxy.StopChecker()
 
288
        elif key == u"C":
 
289
            self.proxy.CheckedOK()
366
290
        # xxx
367
 
#         elif key == "p" or key == "=":
 
291
#         elif key == u"p" or key == "=":
368
292
#             self.proxy.pause()
369
 
#         elif key == "u" or key == ":":
 
293
#         elif key == u"u" or key == ":":
370
294
#             self.proxy.unpause()
371
 
#         elif key == "RET":
 
295
#         elif key == u"RET":
372
296
#             self.open()
373
297
        else:
374
298
            return key
375
299
    
376
 
    def properties_changed(self, interface, properties, invalidated):
377
 
        """Call self.update() if any properties changed.
 
300
    def property_changed(self, property=None, value=None,
 
301
                         *args, **kwargs):
 
302
        """Call self.update() if old value is not new value.
378
303
        This overrides the method from MandosClientPropertyCache"""
379
 
        old_values = { key: self.properties.get(key)
380
 
                       for key in properties.keys() }
381
 
        super(MandosClientWidget, self).properties_changed(
382
 
            interface, properties, invalidated)
383
 
        if any(old_values[key] != self.properties.get(key)
384
 
               for key in old_values):
 
304
        property_name = unicode(property)
 
305
        old_value = self.properties.get(property_name)
 
306
        super(MandosClientWidget, self).property_changed(
 
307
            property=property, value=value, *args, **kwargs)
 
308
        if self.properties.get(property_name) != old_value:
385
309
            self.update()
386
310
 
387
311
 
390
314
    "down" key presses, thus not allowing any containing widgets to
391
315
    use them as an excuse to shift focus away from this widget.
392
316
    """
393
 
    def keypress(self, *args, **kwargs):
394
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
395
 
        if ret in ("up", "down"):
 
317
    def keypress(self, (maxcol, maxrow), key):
 
318
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
 
319
        if ret in (u"up", u"down"):
396
320
            return
397
321
        return ret
398
322
 
401
325
    """This is the entire user interface - the whole screen
402
326
    with boxes, lists of client widgets, etc.
403
327
    """
404
 
    def __init__(self, max_log_length=1000, log_level=1):
 
328
    def __init__(self, max_log_length=1000):
405
329
        DBusGMainLoop(set_as_default=True)
406
330
        
407
331
        self.screen = urwid.curses_display.Screen()
408
332
        
409
333
        self.screen.register_palette((
410
 
                ("normal",
411
 
                 "default", "default", None),
412
 
                ("bold",
413
 
                 "bold", "default", "bold"),
414
 
                ("underline-blink",
415
 
                 "underline,blink", "default", "underline,blink"),
416
 
                ("standout",
417
 
                 "standout", "default", "standout"),
418
 
                ("bold-underline-blink",
419
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
420
 
                ("bold-standout",
421
 
                 "bold,standout", "default", "bold,standout"),
422
 
                ("underline-blink-standout",
423
 
                 "underline,blink,standout", "default",
424
 
                 "underline,blink,standout"),
425
 
                ("bold-underline-blink-standout",
426
 
                 "bold,underline,blink,standout", "default",
427
 
                 "bold,underline,blink,standout"),
 
334
                (u"normal",
 
335
                 u"default", u"default", None),
 
336
                (u"bold",
 
337
                 u"default", u"default", u"bold"),
 
338
                (u"underline-blink",
 
339
                 u"default", u"default", u"underline"),
 
340
                (u"standout",
 
341
                 u"default", u"default", u"standout"),
 
342
                (u"bold-underline-blink",
 
343
                 u"default", u"default", (u"bold", u"underline")),
 
344
                (u"bold-standout",
 
345
                 u"default", u"default", (u"bold", u"standout")),
 
346
                (u"underline-blink-standout",
 
347
                 u"default", u"default", (u"underline", u"standout")),
 
348
                (u"bold-underline-blink-standout",
 
349
                 u"default", u"default", (u"bold", u"underline",
 
350
                                          u"standout")),
428
351
                ))
429
352
        
430
353
        if urwid.supports_unicode():
431
 
            self.divider = "─" # \u2500
432
 
            #self.divider = "━" # \u2501
 
354
            self.divider = u"─" # \u2500
 
355
            #self.divider = u"━" # \u2501
433
356
        else:
434
 
            #self.divider = "-" # \u002d
435
 
            self.divider = "_" # \u005f
 
357
            #self.divider = u"-" # \u002d
 
358
            self.divider = u"_" # \u005f
436
359
        
437
360
        self.screen.start()
438
361
        
445
368
        self.log = []
446
369
        self.max_log_length = max_log_length
447
370
        
448
 
        self.log_level = log_level
449
 
        
450
371
        # We keep a reference to the log widget so we can remove it
451
372
        # from the ListWalker without it getting destroyed
452
373
        self.logbox = ConstrainedListBox(self.log)
454
375
        # This keeps track of whether self.uilist currently has
455
376
        # self.logbox in it or not
456
377
        self.log_visible = True
457
 
        self.log_wrap = "any"
 
378
        self.log_wrap = u"any"
458
379
        
459
380
        self.rebuild()
460
 
        self.log_message_raw(("bold",
461
 
                              "Mandos Monitor version " + version))
462
 
        self.log_message_raw(("bold",
463
 
                              "q: Quit  ?: Help"))
 
381
        self.log_message_raw((u"bold",
 
382
                              u"Mandos Monitor version " + version))
 
383
        self.log_message_raw((u"bold",
 
384
                              u"q: Quit  ?: Help"))
464
385
        
465
386
        self.busname = domain + '.Mandos'
466
 
        self.main_loop = GLib.MainLoop()
 
387
        self.main_loop = gobject.MainLoop()
 
388
        self.bus = dbus.SystemBus()
 
389
        mandos_dbus_objc = self.bus.get_object(
 
390
            self.busname, u"/", follow_name_owner_changes=True)
 
391
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
392
                                          dbus_interface
 
393
                                          = server_interface)
 
394
        try:
 
395
            mandos_clients = (self.mandos_serv
 
396
                              .GetAllClientsWithProperties())
 
397
        except dbus.exceptions.DBusException:
 
398
            mandos_clients = dbus.Dictionary()
 
399
        
 
400
        (self.mandos_serv
 
401
         .connect_to_signal(u"ClientRemoved",
 
402
                            self.find_and_remove_client,
 
403
                            dbus_interface=server_interface,
 
404
                            byte_arrays=True))
 
405
        (self.mandos_serv
 
406
         .connect_to_signal(u"ClientAdded",
 
407
                            self.add_new_client,
 
408
                            dbus_interface=server_interface,
 
409
                            byte_arrays=True))
 
410
        (self.mandos_serv
 
411
         .connect_to_signal(u"ClientNotFound",
 
412
                            self.client_not_found,
 
413
                            dbus_interface=server_interface,
 
414
                            byte_arrays=True))
 
415
        for path, client in mandos_clients.iteritems():
 
416
            client_proxy_object = self.bus.get_object(self.busname,
 
417
                                                      path)
 
418
            self.add_client(MandosClientWidget(server_proxy_object
 
419
                                               =self.mandos_serv,
 
420
                                               proxy_object
 
421
                                               =client_proxy_object,
 
422
                                               properties=client,
 
423
                                               update_hook
 
424
                                               =self.refresh,
 
425
                                               delete_hook
 
426
                                               =self.remove_client,
 
427
                                               logger
 
428
                                               =self.log_message),
 
429
                            path=path)
467
430
    
468
431
    def client_not_found(self, fingerprint, address):
469
 
        self.log_message("Client with address {} and fingerprint {}"
470
 
                         " could not be found"
471
 
                         .format(address, fingerprint))
 
432
        self.log_message((u"Client with address %s and fingerprint %s"
 
433
                          u" could not be found" % (address,
 
434
                                                    fingerprint)))
472
435
    
473
436
    def rebuild(self):
474
437
        """This rebuilds the User Interface.
475
438
        Call this when the widget layout needs to change"""
476
439
        self.uilist = []
477
440
        #self.uilist.append(urwid.ListBox(self.clients))
478
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
479
 
                                                          clients),
 
441
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
480
442
                                       #header=urwid.Divider(),
481
443
                                       header=None,
482
 
                                       footer=
483
 
                                       urwid.Divider(div_char=
484
 
                                                     self.divider)))
 
444
                                       footer=urwid.Divider(div_char=self.divider)))
485
445
        if self.log_visible:
486
446
            self.uilist.append(self.logbox)
 
447
            pass
487
448
        self.topwidget = urwid.Pile(self.uilist)
488
449
    
489
 
    def log_message(self, message, level=1):
490
 
        """Log message formatted with timestamp"""
491
 
        if level < self.log_level:
492
 
            return
 
450
    def log_message(self, message):
493
451
        timestamp = datetime.datetime.now().isoformat()
494
 
        self.log_message_raw("{}: {}".format(timestamp, message),
495
 
                             level=level)
 
452
        self.log_message_raw(timestamp + u": " + message)
496
453
    
497
 
    def log_message_raw(self, markup, level=1):
 
454
    def log_message_raw(self, markup):
498
455
        """Add a log message to the log buffer."""
499
 
        if level < self.log_level:
500
 
            return
501
456
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
502
457
        if (self.max_log_length
503
458
            and len(self.log) > self.max_log_length):
504
459
            del self.log[0:len(self.log)-self.max_log_length-1]
505
460
        self.logbox.set_focus(len(self.logbox.body.contents),
506
 
                              coming_from="above")
 
461
                              coming_from=u"above")
507
462
        self.refresh()
508
463
    
509
464
    def toggle_log_display(self):
510
465
        """Toggle visibility of the log buffer."""
511
466
        self.log_visible = not self.log_visible
512
467
        self.rebuild()
513
 
        self.log_message("Log visibility changed to: {}"
514
 
                         .format(self.log_visible), level=0)
 
468
        self.log_message(u"Log visibility changed to: "
 
469
                         + unicode(self.log_visible))
515
470
    
516
471
    def change_log_display(self):
517
472
        """Change type of log display.
518
473
        Currently, this toggles wrapping of text lines."""
519
 
        if self.log_wrap == "clip":
520
 
            self.log_wrap = "any"
 
474
        if self.log_wrap == u"clip":
 
475
            self.log_wrap = u"any"
521
476
        else:
522
 
            self.log_wrap = "clip"
 
477
            self.log_wrap = u"clip"
523
478
        for textwidget in self.log:
524
479
            textwidget.set_wrap_mode(self.log_wrap)
525
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
526
 
                         level=0)
 
480
        self.log_message(u"Wrap mode: " + self.log_wrap)
527
481
    
528
 
    def find_and_remove_client(self, path, interfaces):
529
 
        """Find a client by its object path and remove it.
 
482
    def find_and_remove_client(self, path, name):
 
483
        """Find an client from its object path and remove it.
530
484
        
531
 
        This is connected to the InterfacesRemoved signal from the
 
485
        This is connected to the ClientRemoved signal from the
532
486
        Mandos server object."""
533
 
        if client_interface not in interfaces:
534
 
            # Not a Mandos client object; ignore
535
 
            return
536
487
        try:
537
488
            client = self.clients_dict[path]
538
489
        except KeyError:
539
490
            # not found?
540
 
            self.log_message("Unknown client {!r} removed"
541
 
                             .format(path))
542
491
            return
543
 
        client.delete()
 
492
        self.remove_client(client, path)
544
493
    
545
 
    def add_new_client(self, path, ifs_and_props):
546
 
        """Find a client by its object path and remove it.
547
 
        
548
 
        This is connected to the InterfacesAdded signal from the
549
 
        Mandos server object.
550
 
        """
551
 
        if client_interface not in ifs_and_props:
552
 
            # Not a Mandos client object; ignore
553
 
            return
 
494
    def add_new_client(self, path):
554
495
        client_proxy_object = self.bus.get_object(self.busname, path)
555
496
        self.add_client(MandosClientWidget(server_proxy_object
556
497
                                           =self.mandos_serv,
561
502
                                           delete_hook
562
503
                                           =self.remove_client,
563
504
                                           logger
564
 
                                           =self.log_message,
565
 
                                           properties
566
 
                                           = dict(ifs_and_props[
567
 
                                               client_interface])),
 
505
                                           =self.log_message),
568
506
                        path=path)
569
507
    
570
508
    def add_client(self, client, path=None):
572
510
        if path is None:
573
511
            path = client.proxy.object_path
574
512
        self.clients_dict[path] = client
575
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
513
        self.clients.sort(None, lambda c: c.properties[u"name"])
576
514
        self.refresh()
577
515
    
578
516
    def remove_client(self, client, path=None):
580
518
        if path is None:
581
519
            path = client.proxy.object_path
582
520
        del self.clients_dict[path]
 
521
        if not self.clients_dict:
 
522
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
523
            # is completely emptied, we need to recreate it.
 
524
            self.clients = urwid.SimpleListWalker([])
 
525
            self.rebuild()
583
526
        self.refresh()
584
527
    
585
528
    def refresh(self):
589
532
    
590
533
    def run(self):
591
534
        """Start the main loop and exit when it's done."""
592
 
        self.bus = dbus.SystemBus()
593
 
        mandos_dbus_objc = self.bus.get_object(
594
 
            self.busname, "/", follow_name_owner_changes=True)
595
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
596
 
                                          dbus_interface
597
 
                                          = server_interface)
598
 
        try:
599
 
            mandos_clients = (self.mandos_serv
600
 
                              .GetAllClientsWithProperties())
601
 
            if not mandos_clients:
602
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
603
 
        except dbus.exceptions.DBusException:
604
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
605
 
            mandos_clients = dbus.Dictionary()
606
 
        
607
 
        (self.mandos_serv
608
 
         .connect_to_signal("InterfacesRemoved",
609
 
                            self.find_and_remove_client,
610
 
                            dbus_interface
611
 
                            = dbus.OBJECT_MANAGER_IFACE,
612
 
                            byte_arrays=True))
613
 
        (self.mandos_serv
614
 
         .connect_to_signal("InterfacesAdded",
615
 
                            self.add_new_client,
616
 
                            dbus_interface
617
 
                            = dbus.OBJECT_MANAGER_IFACE,
618
 
                            byte_arrays=True))
619
 
        (self.mandos_serv
620
 
         .connect_to_signal("ClientNotFound",
621
 
                            self.client_not_found,
622
 
                            dbus_interface=server_interface,
623
 
                            byte_arrays=True))
624
 
        for path, client in mandos_clients.items():
625
 
            client_proxy_object = self.bus.get_object(self.busname,
626
 
                                                      path)
627
 
            self.add_client(MandosClientWidget(server_proxy_object
628
 
                                               =self.mandos_serv,
629
 
                                               proxy_object
630
 
                                               =client_proxy_object,
631
 
                                               properties=client,
632
 
                                               update_hook
633
 
                                               =self.refresh,
634
 
                                               delete_hook
635
 
                                               =self.remove_client,
636
 
                                               logger
637
 
                                               =self.log_message),
638
 
                            path=path)
639
 
        
640
535
        self.refresh()
641
 
        self._input_callback_tag = (GLib.io_add_watch
 
536
        self._input_callback_tag = (gobject.io_add_watch
642
537
                                    (sys.stdin.fileno(),
643
 
                                     GLib.IO_IN,
 
538
                                     gobject.IO_IN,
644
539
                                     self.process_input))
645
540
        self.main_loop.run()
646
541
        # Main loop has finished, we should close everything now
647
 
        GLib.source_remove(self._input_callback_tag)
 
542
        gobject.source_remove(self._input_callback_tag)
648
543
        self.screen.stop()
649
544
    
650
545
    def stop(self):
652
547
    
653
548
    def process_input(self, source, condition):
654
549
        keys = self.screen.get_input()
655
 
        translations = { "ctrl n": "down",      # Emacs
656
 
                         "ctrl p": "up",        # Emacs
657
 
                         "ctrl v": "page down", # Emacs
658
 
                         "meta v": "page up",   # Emacs
659
 
                         " ": "page down",      # less
660
 
                         "f": "page down",      # less
661
 
                         "b": "page up",        # less
662
 
                         "j": "down",           # vi
663
 
                         "k": "up",             # vi
 
550
        translations = { u"ctrl n": u"down",      # Emacs
 
551
                         u"ctrl p": u"up",        # Emacs
 
552
                         u"ctrl v": u"page down", # Emacs
 
553
                         u"meta v": u"page up",   # Emacs
 
554
                         u" ": u"page down",      # less
 
555
                         u"f": u"page down",      # less
 
556
                         u"b": u"page up",        # less
 
557
                         u"j": u"down",           # vi
 
558
                         u"k": u"up",             # vi
664
559
                         }
665
560
        for key in keys:
666
561
            try:
668
563
            except KeyError:    # :-)
669
564
                pass
670
565
            
671
 
            if key == "q" or key == "Q":
 
566
            if key == u"q" or key == u"Q":
672
567
                self.stop()
673
568
                break
674
 
            elif key == "window resize":
 
569
            elif key == u"window resize":
675
570
                self.size = self.screen.get_cols_rows()
676
571
                self.refresh()
677
 
            elif key == "ctrl l":
678
 
                self.screen.clear()
 
572
            elif key == u"\f":  # Ctrl-L
679
573
                self.refresh()
680
 
            elif key == "l" or key == "D":
 
574
            elif key == u"l" or key == u"D":
681
575
                self.toggle_log_display()
682
576
                self.refresh()
683
 
            elif key == "w" or key == "i":
 
577
            elif key == u"w" or key == u"i":
684
578
                self.change_log_display()
685
579
                self.refresh()
686
 
            elif key == "?" or key == "f1" or key == "esc":
 
580
            elif key == u"?" or key == u"f1" or key == u"esc":
687
581
                if not self.log_visible:
688
582
                    self.log_visible = True
689
583
                    self.rebuild()
690
 
                self.log_message_raw(("bold",
691
 
                                      "  ".
692
 
                                      join(("q: Quit",
693
 
                                            "?: Help",
694
 
                                            "l: Log window toggle",
695
 
                                            "TAB: Switch window",
696
 
                                            "w: Wrap (log lines)",
697
 
                                            "v: Toggle verbose log",
698
 
                                            ))))
699
 
                self.log_message_raw(("bold",
700
 
                                      "  "
701
 
                                      .join(("Clients:",
702
 
                                             "+: Enable",
703
 
                                             "-: Disable",
704
 
                                             "R: Remove",
705
 
                                             "s: Start new checker",
706
 
                                             "S: Stop checker",
707
 
                                             "C: Checker OK",
708
 
                                             "a: Approve",
709
 
                                             "d: Deny"))))
 
584
                self.log_message_raw((u"bold",
 
585
                                      u"  ".
 
586
                                      join((u"q: Quit",
 
587
                                            u"?: Help",
 
588
                                            u"l: Log window toggle",
 
589
                                            u"TAB: Switch window",
 
590
                                            u"w: Wrap (log)"))))
 
591
                self.log_message_raw((u"bold",
 
592
                                      u"  "
 
593
                                      .join((u"Clients:",
 
594
                                             u"e: Enable",
 
595
                                             u"d: Disable",
 
596
                                             u"r: Remove",
 
597
                                             u"s: Start new checker",
 
598
                                             u"S: Stop checker",
 
599
                                             u"C: Checker OK"))))
710
600
                self.refresh()
711
 
            elif key == "tab":
 
601
            elif key == u"tab":
712
602
                if self.topwidget.get_focus() is self.logbox:
713
603
                    self.topwidget.set_focus(0)
714
604
                else:
715
605
                    self.topwidget.set_focus(self.logbox)
716
606
                self.refresh()
717
 
            elif key == "v":
718
 
                if self.log_level == 0:
719
 
                    self.log_level = 1
720
 
                    self.log_message("Verbose mode: Off")
721
 
                else:
722
 
                    self.log_level = 0
723
 
                    self.log_message("Verbose mode: On")
724
 
            #elif (key == "end" or key == "meta >" or key == "G"
725
 
            #      or key == ">"):
 
607
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
608
            #      or key == u">"):
726
609
            #    pass            # xxx end-of-buffer
727
 
            #elif (key == "home" or key == "meta <" or key == "g"
728
 
            #      or key == "<"):
 
610
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
611
            #      or key == u"<"):
729
612
            #    pass            # xxx beginning-of-buffer
730
 
            #elif key == "ctrl e" or key == "$":
 
613
            #elif key == u"ctrl e" or key == u"$":
731
614
            #    pass            # xxx move-end-of-line
732
 
            #elif key == "ctrl a" or key == "^":
 
615
            #elif key == u"ctrl a" or key == u"^":
733
616
            #    pass            # xxx move-beginning-of-line
734
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
617
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
735
618
            #    pass            # xxx left
736
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
619
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
737
620
            #    pass            # xxx right
738
 
            #elif key == "a":
 
621
            #elif key == u"a":
739
622
            #    pass            # scroll up log
740
 
            #elif key == "z":
 
623
            #elif key == u"z":
741
624
            #    pass            # scroll down log
742
625
            elif self.topwidget.selectable():
743
626
                self.topwidget.keypress(self.size, key)
747
630
ui = UserInterface()
748
631
try:
749
632
    ui.run()
750
 
except KeyboardInterrupt:
751
 
    ui.screen.stop()
752
 
except Exception as e:
753
 
    ui.log_message(str(e))
 
633
except Exception, e:
 
634
    ui.log_message(unicode(e))
754
635
    ui.screen.stop()
755
636
    raise