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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
 
try:
43
 
    from gi.repository import GObject
44
 
except ImportError:
45
 
    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, '')
55
 
 
56
 
import logging
57
 
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
 
24
locale.setlocale(locale.LC_ALL, u'')
58
25
 
59
26
# Some useful constants
60
 
domain = 'se.recompile'
 
27
domain = 'se.bsnet.fukt'
61
28
server_interface = domain + '.Mandos'
62
29
client_interface = domain + '.Mandos.Client'
63
 
version = "1.7.5"
64
 
 
65
 
try:
66
 
    dbus.OBJECT_MANAGER_IFACE
67
 
except AttributeError:
68
 
    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)
69
39
 
70
40
def isoformat_to_datetime(iso):
71
41
    "Parse an ISO 8601 date string to a datetime.datetime()"
72
42
    if not iso:
73
43
        return None
74
 
    d, t = iso.split("T", 1)
75
 
    year, month, day = d.split("-", 2)
76
 
    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)
77
47
    second, fraction = divmod(float(second), 1)
78
48
    return datetime.datetime(int(year),
79
49
                             int(month),
88
58
    properties and calls a hook function when any of them are
89
59
    changed.
90
60
    """
91
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
61
    def __init__(self, proxy_object=None, *args, **kwargs):
92
62
        self.proxy = proxy_object # Mandos Client proxy object
93
 
        self.properties = dict() if properties is None else properties
94
 
        self.property_changed_match = (
95
 
            self.proxy.connect_to_signal("PropertiesChanged",
96
 
                                         self.properties_changed,
97
 
                                         dbus.PROPERTIES_IFACE,
98
 
                                         byte_arrays=True))
99
 
        
100
 
        if properties is None:
101
 
            self.properties.update(
102
 
                self.proxy.GetAll(client_interface,
103
 
                                  dbus_interface
104
 
                                  = dbus.PROPERTIES_IFACE))
105
 
        
106
 
        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)
107
75
    
108
 
    def properties_changed(self, interface, properties, invalidated):
109
 
        """This is called whenever we get a PropertiesChanged signal
110
 
        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.
111
79
        """
112
80
        # Update properties dict with new value
113
 
        if interface == client_interface:
114
 
            self.properties.update(properties)
115
 
    
116
 
    def delete(self):
117
 
        self.property_changed_match.remove()
 
81
        self.properties[property] = value
118
82
 
119
83
 
120
84
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
122
86
    """
123
87
    
124
88
    def __init__(self, server_proxy_object=None, update_hook=None,
125
 
                 delete_hook=None, logger=None, **kwargs):
 
89
                 delete_hook=None, logger=None, *args, **kwargs):
126
90
        # Called on update
127
91
        self.update_hook = update_hook
128
92
        # Called on delete
133
97
        self.logger = logger
134
98
        
135
99
        self._update_timer_callback_tag = None
 
100
        self.last_checker_failed = False
136
101
        
137
102
        # The widget shown normally
138
 
        self._text_widget = urwid.Text("")
 
103
        self._text_widget = urwid.Text(u"")
139
104
        # The widget shown when we have focus
140
 
        self._focus_text_widget = urwid.Text("")
141
 
        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)
142
109
        self.update()
143
110
        self.opened = False
144
 
        
145
 
        self.match_objects = (
146
 
            self.proxy.connect_to_signal("CheckerCompleted",
147
 
                                         self.checker_completed,
148
 
                                         client_interface,
149
 
                                         byte_arrays=True),
150
 
            self.proxy.connect_to_signal("CheckerStarted",
151
 
                                         self.checker_started,
152
 
                                         client_interface,
153
 
                                         byte_arrays=True),
154
 
            self.proxy.connect_to_signal("GotSecret",
155
 
                                         self.got_secret,
156
 
                                         client_interface,
157
 
                                         byte_arrays=True),
158
 
            self.proxy.connect_to_signal("NeedApproval",
159
 
                                         self.need_approval,
160
 
                                         client_interface,
161
 
                                         byte_arrays=True),
162
 
            self.proxy.connect_to_signal("Rejected",
163
 
                                         self.rejected,
164
 
                                         client_interface,
165
 
                                         byte_arrays=True))
166
 
        self.logger('Created client {}'
167
 
                    .format(self.properties["Name"]), level=0)
168
 
    
169
 
    def using_timer(self, flag):
170
 
        """Call this method with True or False when timer should be
171
 
        activated or deactivated.
172
 
        """
173
 
        if flag and self._update_timer_callback_tag is None:
174
 
            # Will update the shown timer value every second
175
 
            self._update_timer_callback_tag = (GObject.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
176
139
                                               (1000,
177
140
                                                self.update_timer))
178
 
        elif not (flag or self._update_timer_callback_tag is None):
179
 
            GObject.source_remove(self._update_timer_callback_tag)
180
 
            self._update_timer_callback_tag = None
181
141
    
182
142
    def checker_completed(self, exitstatus, condition, command):
183
143
        if exitstatus == 0:
184
 
            self.logger('Checker for client {} (command "{}")'
185
 
                        ' succeeded'.format(self.properties["Name"],
186
 
                                            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))
187
151
            self.update()
188
152
            return
189
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))
190
159
        if os.WIFEXITED(condition):
191
 
            self.logger('Checker for client {} (command "{}") failed'
192
 
                        ' with exit code {}'
193
 
                        .format(self.properties["Name"], command,
194
 
                                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)))
195
164
        elif os.WIFSIGNALED(condition):
196
 
            self.logger('Checker for client {} (command "{}") was'
197
 
                        ' killed by signal {}'
198
 
                        .format(self.properties["Name"], command,
199
 
                                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')
200
175
        self.update()
201
176
    
202
177
    def checker_started(self, command):
203
 
        """Server signals that a checker started."""
204
 
        self.logger('Client {} started checker "{}"'
205
 
                    .format(self.properties["Name"],
206
 
                            command), level=0)
 
178
        self.logger(u'Client %s started checker "%s"'
 
179
                    % (self.properties[u"name"], unicode(command)))
207
180
    
208
181
    def got_secret(self):
209
 
        self.logger('Client {} received its secret'
210
 
                    .format(self.properties["Name"]))
211
 
    
212
 
    def need_approval(self, timeout, default):
213
 
        if not default:
214
 
            message = 'Client {} needs approval within {} seconds'
215
 
        else:
216
 
            message = 'Client {} will get its secret in {} seconds'
217
 
        self.logger(message.format(self.properties["Name"],
218
 
                                   timeout/1000))
219
 
    
220
 
    def rejected(self, reason):
221
 
        self.logger('Client {} was rejected; reason: {}'
222
 
                    .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"])
223
188
    
224
189
    def selectable(self):
225
190
        """Make this a "selectable" widget.
226
191
        This overrides the method from urwid.FlowWidget."""
227
192
        return True
228
193
    
229
 
    def rows(self, maxcolrow, focus=False):
 
194
    def rows(self, (maxcol,), focus=False):
230
195
        """How many rows this widget will occupy might depend on
231
196
        whether we have focus or not.
232
197
        This overrides the method from urwid.FlowWidget"""
233
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
198
        return self.current_widget(focus).rows((maxcol,), focus=focus)
234
199
    
235
200
    def current_widget(self, focus=False):
236
201
        if focus or self.opened:
240
205
    def update(self):
241
206
        "Called when what is visible on the screen should be updated."
242
207
        # How to add standout mode to a style
243
 
        with_standout = { "normal": "standout",
244
 
                          "bold": "bold-standout",
245
 
                          "underline-blink":
246
 
                              "underline-blink-standout",
247
 
                          "bold-underline-blink":
248
 
                              "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",
249
214
                          }
250
215
        
251
216
        # Rebuild focus and non-focus widgets using current properties
252
 
        
253
 
        # Base part of a client. Name!
254
 
        base = '{name}: '.format(name=self.properties["Name"])
255
 
        if not self.properties["Enabled"]:
256
 
            message = "DISABLED"
257
 
            self.using_timer(False)
258
 
        elif self.properties["ApprovalPending"]:
259
 
            timeout = datetime.timedelta(milliseconds
260
 
                                         = self.properties
261
 
                                         ["ApprovalDelay"])
262
 
            last_approval_request = isoformat_to_datetime(
263
 
                self.properties["LastApprovalRequest"])
264
 
            if last_approval_request is not None:
265
 
                timer = max(timeout - (datetime.datetime.utcnow()
266
 
                                       - last_approval_request),
267
 
                            datetime.timedelta())
268
 
            else:
269
 
                timer = datetime.timedelta()
270
 
            if self.properties["ApprovedByDefault"]:
271
 
                message = "Approval in {}. (d)eny?"
272
 
            else:
273
 
                message = "Denial in {}. (a)pprove?"
274
 
            message = message.format(str(timer).rsplit(".", 1)[0])
275
 
            self.using_timer(True)
276
 
        elif self.properties["LastCheckerStatus"] != 0:
277
 
            # When checker has failed, show timer until client expires
278
 
            expires = self.properties["Expires"]
279
 
            if expires == "":
280
 
                timer = datetime.timedelta(0)
281
 
            else:
282
 
                expires = (datetime.datetime.strptime
283
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
284
 
                timer = max(expires - datetime.datetime.utcnow(),
285
 
                            datetime.timedelta())
286
 
            message = ('A checker has failed! Time until client'
287
 
                       ' gets disabled: {}'
288
 
                       .format(str(timer).rsplit(".", 1)[0]))
289
 
            self.using_timer(True)
290
 
        else:
291
 
            message = "enabled"
292
 
            self.using_timer(False)
293
 
        self._text = "{}{}".format(base, message)
294
 
        
 
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"")})
295
240
        if not urwid.supports_unicode():
296
241
            self._text = self._text.encode("ascii", "replace")
297
 
        textlist = [("normal", self._text)]
 
242
        textlist = [(u"normal", self._text)]
298
243
        self._text_widget.set_text(textlist)
299
244
        self._focus_text_widget.set_text([(with_standout[text[0]],
300
245
                                           text[1])
309
254
            self.update_hook()
310
255
    
311
256
    def update_timer(self):
312
 
        """called by GObject. Will indefinitely loop until
313
 
        GObject.source_remove() on tag is called"""
 
257
        "called by gobject"
314
258
        self.update()
315
259
        return True             # Keep calling this
316
260
    
317
 
    def delete(self, **kwargs):
 
261
    def delete(self):
318
262
        if self._update_timer_callback_tag is not None:
319
 
            GObject.source_remove(self._update_timer_callback_tag)
 
263
            gobject.source_remove(self._update_timer_callback_tag)
320
264
            self._update_timer_callback_tag = None
321
 
        for match in self.match_objects:
322
 
            match.remove()
323
 
        self.match_objects = ()
324
265
        if self.delete_hook is not None:
325
266
            self.delete_hook(self)
326
 
        return super(MandosClientWidget, self).delete(**kwargs)
327
267
    
328
 
    def render(self, maxcolrow, focus=False):
 
268
    def render(self, (maxcol,), focus=False):
329
269
        """Render differently if we have focus.
330
270
        This overrides the method from urwid.FlowWidget"""
331
 
        return self.current_widget(focus).render(maxcolrow,
 
271
        return self.current_widget(focus).render((maxcol,),
332
272
                                                 focus=focus)
333
273
    
334
 
    def keypress(self, maxcolrow, key):
 
274
    def keypress(self, (maxcol,), key):
335
275
        """Handle keys.
336
276
        This overrides the method from urwid.FlowWidget"""
337
 
        if key == "+":
338
 
            self.proxy.Set(client_interface, "Enabled",
339
 
                           dbus.Boolean(True), ignore_reply = True,
340
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
341
 
        elif key == "-":
342
 
            self.proxy.Set(client_interface, "Enabled", False,
343
 
                           ignore_reply = True,
344
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
345
 
        elif key == "a":
346
 
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
347
 
                               dbus_interface = client_interface,
348
 
                               ignore_reply=True)
349
 
        elif key == "d":
350
 
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
351
 
                                  dbus_interface = client_interface,
352
 
                               ignore_reply=True)
353
 
        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":
354
282
            self.server_proxy_object.RemoveClient(self.proxy
355
 
                                                  .object_path,
356
 
                                                  ignore_reply=True)
357
 
        elif key == "s":
358
 
            self.proxy.Set(client_interface, "CheckerRunning",
359
 
                           dbus.Boolean(True), ignore_reply = True,
360
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
361
 
        elif key == "S":
362
 
            self.proxy.Set(client_interface, "CheckerRunning",
363
 
                           dbus.Boolean(False), ignore_reply = True,
364
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
365
 
        elif key == "C":
366
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
367
 
                                 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()
368
290
        # xxx
369
 
#         elif key == "p" or key == "=":
 
291
#         elif key == u"p" or key == "=":
370
292
#             self.proxy.pause()
371
 
#         elif key == "u" or key == ":":
 
293
#         elif key == u"u" or key == ":":
372
294
#             self.proxy.unpause()
373
 
#         elif key == "RET":
 
295
#         elif key == u"RET":
374
296
#             self.open()
375
297
        else:
376
298
            return key
377
299
    
378
 
    def properties_changed(self, interface, properties, invalidated):
379
 
        """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.
380
303
        This overrides the method from MandosClientPropertyCache"""
381
 
        old_values = { key: self.properties.get(key)
382
 
                       for key in properties.keys() }
383
 
        super(MandosClientWidget, self).properties_changed(
384
 
            interface, properties, invalidated)
385
 
        if any(old_values[key] != self.properties.get(key)
386
 
               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:
387
309
            self.update()
388
310
 
389
311
 
392
314
    "down" key presses, thus not allowing any containing widgets to
393
315
    use them as an excuse to shift focus away from this widget.
394
316
    """
395
 
    def keypress(self, *args, **kwargs):
396
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
397
 
        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"):
398
320
            return
399
321
        return ret
400
322
 
403
325
    """This is the entire user interface - the whole screen
404
326
    with boxes, lists of client widgets, etc.
405
327
    """
406
 
    def __init__(self, max_log_length=1000, log_level=1):
 
328
    def __init__(self, max_log_length=1000):
407
329
        DBusGMainLoop(set_as_default=True)
408
330
        
409
331
        self.screen = urwid.curses_display.Screen()
410
332
        
411
333
        self.screen.register_palette((
412
 
                ("normal",
413
 
                 "default", "default", None),
414
 
                ("bold",
415
 
                 "bold", "default", "bold"),
416
 
                ("underline-blink",
417
 
                 "underline,blink", "default", "underline,blink"),
418
 
                ("standout",
419
 
                 "standout", "default", "standout"),
420
 
                ("bold-underline-blink",
421
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
422
 
                ("bold-standout",
423
 
                 "bold,standout", "default", "bold,standout"),
424
 
                ("underline-blink-standout",
425
 
                 "underline,blink,standout", "default",
426
 
                 "underline,blink,standout"),
427
 
                ("bold-underline-blink-standout",
428
 
                 "bold,underline,blink,standout", "default",
429
 
                 "bold,underline,blink,standout"),
 
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")),
430
351
                ))
431
352
        
432
353
        if urwid.supports_unicode():
433
 
            self.divider = "─" # \u2500
434
 
            #self.divider = "━" # \u2501
 
354
            self.divider = u"─" # \u2500
 
355
            #self.divider = u"━" # \u2501
435
356
        else:
436
 
            #self.divider = "-" # \u002d
437
 
            self.divider = "_" # \u005f
 
357
            #self.divider = u"-" # \u002d
 
358
            self.divider = u"_" # \u005f
438
359
        
439
360
        self.screen.start()
440
361
        
447
368
        self.log = []
448
369
        self.max_log_length = max_log_length
449
370
        
450
 
        self.log_level = log_level
451
 
        
452
371
        # We keep a reference to the log widget so we can remove it
453
372
        # from the ListWalker without it getting destroyed
454
373
        self.logbox = ConstrainedListBox(self.log)
456
375
        # This keeps track of whether self.uilist currently has
457
376
        # self.logbox in it or not
458
377
        self.log_visible = True
459
 
        self.log_wrap = "any"
 
378
        self.log_wrap = u"any"
460
379
        
461
380
        self.rebuild()
462
 
        self.log_message_raw(("bold",
463
 
                              "Mandos Monitor version " + version))
464
 
        self.log_message_raw(("bold",
465
 
                              "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"))
466
385
        
467
386
        self.busname = domain + '.Mandos'
468
 
        self.main_loop = GObject.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)
469
430
    
470
431
    def client_not_found(self, fingerprint, address):
471
 
        self.log_message("Client with address {} and fingerprint {}"
472
 
                         " could not be found"
473
 
                         .format(address, fingerprint))
 
432
        self.log_message((u"Client with address %s and fingerprint %s"
 
433
                          u" could not be found" % (address,
 
434
                                                    fingerprint)))
474
435
    
475
436
    def rebuild(self):
476
437
        """This rebuilds the User Interface.
477
438
        Call this when the widget layout needs to change"""
478
439
        self.uilist = []
479
440
        #self.uilist.append(urwid.ListBox(self.clients))
480
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
481
 
                                                          clients),
 
441
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
482
442
                                       #header=urwid.Divider(),
483
443
                                       header=None,
484
 
                                       footer=
485
 
                                       urwid.Divider(div_char=
486
 
                                                     self.divider)))
 
444
                                       footer=urwid.Divider(div_char=self.divider)))
487
445
        if self.log_visible:
488
446
            self.uilist.append(self.logbox)
 
447
            pass
489
448
        self.topwidget = urwid.Pile(self.uilist)
490
449
    
491
 
    def log_message(self, message, level=1):
492
 
        """Log message formatted with timestamp"""
493
 
        if level < self.log_level:
494
 
            return
 
450
    def log_message(self, message):
495
451
        timestamp = datetime.datetime.now().isoformat()
496
 
        self.log_message_raw("{}: {}".format(timestamp, message),
497
 
                             level=level)
 
452
        self.log_message_raw(timestamp + u": " + message)
498
453
    
499
 
    def log_message_raw(self, markup, level=1):
 
454
    def log_message_raw(self, markup):
500
455
        """Add a log message to the log buffer."""
501
 
        if level < self.log_level:
502
 
            return
503
456
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
504
457
        if (self.max_log_length
505
458
            and len(self.log) > self.max_log_length):
506
459
            del self.log[0:len(self.log)-self.max_log_length-1]
507
460
        self.logbox.set_focus(len(self.logbox.body.contents),
508
 
                              coming_from="above")
 
461
                              coming_from=u"above")
509
462
        self.refresh()
510
463
    
511
464
    def toggle_log_display(self):
512
465
        """Toggle visibility of the log buffer."""
513
466
        self.log_visible = not self.log_visible
514
467
        self.rebuild()
515
 
        self.log_message("Log visibility changed to: {}"
516
 
                         .format(self.log_visible), level=0)
 
468
        self.log_message(u"Log visibility changed to: "
 
469
                         + unicode(self.log_visible))
517
470
    
518
471
    def change_log_display(self):
519
472
        """Change type of log display.
520
473
        Currently, this toggles wrapping of text lines."""
521
 
        if self.log_wrap == "clip":
522
 
            self.log_wrap = "any"
 
474
        if self.log_wrap == u"clip":
 
475
            self.log_wrap = u"any"
523
476
        else:
524
 
            self.log_wrap = "clip"
 
477
            self.log_wrap = u"clip"
525
478
        for textwidget in self.log:
526
479
            textwidget.set_wrap_mode(self.log_wrap)
527
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
528
 
                         level=0)
 
480
        self.log_message(u"Wrap mode: " + self.log_wrap)
529
481
    
530
 
    def find_and_remove_client(self, path, interfaces):
531
 
        """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.
532
484
        
533
 
        This is connected to the InterfacesRemoved signal from the
 
485
        This is connected to the ClientRemoved signal from the
534
486
        Mandos server object."""
535
 
        if client_interface not in interfaces:
536
 
            # Not a Mandos client object; ignore
537
 
            return
538
487
        try:
539
488
            client = self.clients_dict[path]
540
489
        except KeyError:
541
490
            # not found?
542
 
            self.log_message("Unknown client {!r} removed"
543
 
                             .format(path))
544
491
            return
545
 
        client.delete()
 
492
        self.remove_client(client, path)
546
493
    
547
 
    def add_new_client(self, path, ifs_and_props):
548
 
        """Find a client by its object path and remove it.
549
 
        
550
 
        This is connected to the InterfacesAdded signal from the
551
 
        Mandos server object.
552
 
        """
553
 
        if client_interface not in ifs_and_props:
554
 
            # Not a Mandos client object; ignore
555
 
            return
 
494
    def add_new_client(self, path):
556
495
        client_proxy_object = self.bus.get_object(self.busname, path)
557
496
        self.add_client(MandosClientWidget(server_proxy_object
558
497
                                           =self.mandos_serv,
563
502
                                           delete_hook
564
503
                                           =self.remove_client,
565
504
                                           logger
566
 
                                           =self.log_message,
567
 
                                           properties
568
 
                                           = dict(ifs_and_props[
569
 
                                               client_interface])),
 
505
                                           =self.log_message),
570
506
                        path=path)
571
507
    
572
508
    def add_client(self, client, path=None):
574
510
        if path is None:
575
511
            path = client.proxy.object_path
576
512
        self.clients_dict[path] = client
577
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
513
        self.clients.sort(None, lambda c: c.properties[u"name"])
578
514
        self.refresh()
579
515
    
580
516
    def remove_client(self, client, path=None):
582
518
        if path is None:
583
519
            path = client.proxy.object_path
584
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()
585
526
        self.refresh()
586
527
    
587
528
    def refresh(self):
591
532
    
592
533
    def run(self):
593
534
        """Start the main loop and exit when it's done."""
594
 
        self.bus = dbus.SystemBus()
595
 
        mandos_dbus_objc = self.bus.get_object(
596
 
            self.busname, "/", follow_name_owner_changes=True)
597
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
598
 
                                          dbus_interface
599
 
                                          = server_interface)
600
 
        try:
601
 
            mandos_clients = (self.mandos_serv
602
 
                              .GetAllClientsWithProperties())
603
 
            if not mandos_clients:
604
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
605
 
        except dbus.exceptions.DBusException:
606
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
607
 
            mandos_clients = dbus.Dictionary()
608
 
        
609
 
        (self.mandos_serv
610
 
         .connect_to_signal("InterfacesRemoved",
611
 
                            self.find_and_remove_client,
612
 
                            dbus_interface
613
 
                            = dbus.OBJECT_MANAGER_IFACE,
614
 
                            byte_arrays=True))
615
 
        (self.mandos_serv
616
 
         .connect_to_signal("InterfacesAdded",
617
 
                            self.add_new_client,
618
 
                            dbus_interface
619
 
                            = dbus.OBJECT_MANAGER_IFACE,
620
 
                            byte_arrays=True))
621
 
        (self.mandos_serv
622
 
         .connect_to_signal("ClientNotFound",
623
 
                            self.client_not_found,
624
 
                            dbus_interface=server_interface,
625
 
                            byte_arrays=True))
626
 
        for path, client in mandos_clients.items():
627
 
            client_proxy_object = self.bus.get_object(self.busname,
628
 
                                                      path)
629
 
            self.add_client(MandosClientWidget(server_proxy_object
630
 
                                               =self.mandos_serv,
631
 
                                               proxy_object
632
 
                                               =client_proxy_object,
633
 
                                               properties=client,
634
 
                                               update_hook
635
 
                                               =self.refresh,
636
 
                                               delete_hook
637
 
                                               =self.remove_client,
638
 
                                               logger
639
 
                                               =self.log_message),
640
 
                            path=path)
641
 
        
642
535
        self.refresh()
643
 
        self._input_callback_tag = (GObject.io_add_watch
 
536
        self._input_callback_tag = (gobject.io_add_watch
644
537
                                    (sys.stdin.fileno(),
645
 
                                     GObject.IO_IN,
 
538
                                     gobject.IO_IN,
646
539
                                     self.process_input))
647
540
        self.main_loop.run()
648
541
        # Main loop has finished, we should close everything now
649
 
        GObject.source_remove(self._input_callback_tag)
 
542
        gobject.source_remove(self._input_callback_tag)
650
543
        self.screen.stop()
651
544
    
652
545
    def stop(self):
654
547
    
655
548
    def process_input(self, source, condition):
656
549
        keys = self.screen.get_input()
657
 
        translations = { "ctrl n": "down",      # Emacs
658
 
                         "ctrl p": "up",        # Emacs
659
 
                         "ctrl v": "page down", # Emacs
660
 
                         "meta v": "page up",   # Emacs
661
 
                         " ": "page down",      # less
662
 
                         "f": "page down",      # less
663
 
                         "b": "page up",        # less
664
 
                         "j": "down",           # vi
665
 
                         "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
666
559
                         }
667
560
        for key in keys:
668
561
            try:
670
563
            except KeyError:    # :-)
671
564
                pass
672
565
            
673
 
            if key == "q" or key == "Q":
 
566
            if key == u"q" or key == u"Q":
674
567
                self.stop()
675
568
                break
676
 
            elif key == "window resize":
 
569
            elif key == u"window resize":
677
570
                self.size = self.screen.get_cols_rows()
678
571
                self.refresh()
679
 
            elif key == "ctrl l":
680
 
                self.screen.clear()
 
572
            elif key == u"\f":  # Ctrl-L
681
573
                self.refresh()
682
 
            elif key == "l" or key == "D":
 
574
            elif key == u"l" or key == u"D":
683
575
                self.toggle_log_display()
684
576
                self.refresh()
685
 
            elif key == "w" or key == "i":
 
577
            elif key == u"w" or key == u"i":
686
578
                self.change_log_display()
687
579
                self.refresh()
688
 
            elif key == "?" or key == "f1" or key == "esc":
 
580
            elif key == u"?" or key == u"f1" or key == u"esc":
689
581
                if not self.log_visible:
690
582
                    self.log_visible = True
691
583
                    self.rebuild()
692
 
                self.log_message_raw(("bold",
693
 
                                      "  ".
694
 
                                      join(("q: Quit",
695
 
                                            "?: Help",
696
 
                                            "l: Log window toggle",
697
 
                                            "TAB: Switch window",
698
 
                                            "w: Wrap (log lines)",
699
 
                                            "v: Toggle verbose log",
700
 
                                            ))))
701
 
                self.log_message_raw(("bold",
702
 
                                      "  "
703
 
                                      .join(("Clients:",
704
 
                                             "+: Enable",
705
 
                                             "-: Disable",
706
 
                                             "R: Remove",
707
 
                                             "s: Start new checker",
708
 
                                             "S: Stop checker",
709
 
                                             "C: Checker OK",
710
 
                                             "a: Approve",
711
 
                                             "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"))))
712
600
                self.refresh()
713
 
            elif key == "tab":
 
601
            elif key == u"tab":
714
602
                if self.topwidget.get_focus() is self.logbox:
715
603
                    self.topwidget.set_focus(0)
716
604
                else:
717
605
                    self.topwidget.set_focus(self.logbox)
718
606
                self.refresh()
719
 
            elif key == "v":
720
 
                if self.log_level == 0:
721
 
                    self.log_level = 1
722
 
                    self.log_message("Verbose mode: Off")
723
 
                else:
724
 
                    self.log_level = 0
725
 
                    self.log_message("Verbose mode: On")
726
 
            #elif (key == "end" or key == "meta >" or key == "G"
727
 
            #      or key == ">"):
 
607
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
608
            #      or key == u">"):
728
609
            #    pass            # xxx end-of-buffer
729
 
            #elif (key == "home" or key == "meta <" or key == "g"
730
 
            #      or key == "<"):
 
610
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
611
            #      or key == u"<"):
731
612
            #    pass            # xxx beginning-of-buffer
732
 
            #elif key == "ctrl e" or key == "$":
 
613
            #elif key == u"ctrl e" or key == u"$":
733
614
            #    pass            # xxx move-end-of-line
734
 
            #elif key == "ctrl a" or key == "^":
 
615
            #elif key == u"ctrl a" or key == u"^":
735
616
            #    pass            # xxx move-beginning-of-line
736
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
617
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
737
618
            #    pass            # xxx left
738
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
619
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
739
620
            #    pass            # xxx right
740
 
            #elif key == "a":
 
621
            #elif key == u"a":
741
622
            #    pass            # scroll up log
742
 
            #elif key == "z":
 
623
            #elif key == u"z":
743
624
            #    pass            # scroll down log
744
625
            elif self.topwidget.selectable():
745
626
                self.topwidget.keypress(self.size, key)
749
630
ui = UserInterface()
750
631
try:
751
632
    ui.run()
752
 
except KeyboardInterrupt:
753
 
    ui.screen.stop()
754
 
except Exception as e:
755
 
    ui.log_message(str(e))
 
633
except Exception, e:
 
634
    ui.log_message(unicode(e))
756
635
    ui.screen.stop()
757
636
    raise