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  • Committer: teddy at bsnet
  • Date: 2010-08-24 18:18:01 UTC
  • mto: (24.1.154 mandos)
  • mto: This revision was merged to the branch mainline in revision 421.
  • Revision ID: teddy@fukt.bsnet.se-20100824181801-n798wxs117trv8iu
* mandos: Use logging.getLogger() as in the documentation.
* mandos-monitor: Suppress logging from dbus.proxies.

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1
#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
3
 
#
4
 
# Mandos Monitor - Control and monitor the Mandos server
5
 
#
6
 
# Copyright © 2009-2019 Teddy Hogeborn
7
 
# Copyright © 2009-2019 Björn Påhlsson
8
 
#
9
 
# This file is part of Mandos.
10
 
#
11
 
# Mandos is free software: you can redistribute it and/or modify it
12
 
# under the terms of the GNU General Public License as published by
13
 
# the Free Software Foundation, either version 3 of the License, or
14
 
# (at your option) any later version.
15
 
#
16
 
#     Mandos is distributed in the hope that it will be useful, but
17
 
#     WITHOUT ANY WARRANTY; without even the implied warranty of
18
 
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19
 
#     GNU General Public License for more details.
20
 
#
21
 
# You should have received a copy of the GNU General Public License
22
 
# along with Mandos.  If not, see <http://www.gnu.org/licenses/>.
23
 
#
24
 
# Contact the authors at <mandos@recompile.se>.
25
 
#
26
3
 
27
 
from __future__ import (division, absolute_import, print_function,
28
 
                        unicode_literals)
29
 
try:
30
 
    from future_builtins import *
31
 
except ImportError:
32
 
    pass
 
4
from __future__ import division, absolute_import, with_statement
33
5
 
34
6
import sys
35
7
import os
 
8
import signal
36
9
 
37
10
import datetime
38
11
 
40
13
import urwid
41
14
 
42
15
from dbus.mainloop.glib import DBusGMainLoop
43
 
from gi.repository import GLib
 
16
import gobject
44
17
 
45
18
import dbus
46
19
 
 
20
import UserList
 
21
 
47
22
import locale
48
23
 
 
24
locale.setlocale(locale.LC_ALL, u'')
 
25
 
49
26
import logging
50
 
 
51
 
if sys.version_info.major == 2:
52
 
    str = unicode
53
 
 
54
 
locale.setlocale(locale.LC_ALL, '')
55
 
 
56
27
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
57
28
 
58
29
# Some useful constants
59
 
domain = 'se.recompile'
 
30
domain = 'se.bsnet.fukt'
60
31
server_interface = domain + '.Mandos'
61
32
client_interface = domain + '.Mandos.Client'
62
 
version = "1.8.4"
63
 
 
64
 
try:
65
 
    dbus.OBJECT_MANAGER_IFACE
66
 
except AttributeError:
67
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
68
 
 
69
 
 
70
 
def isoformat_to_datetime(iso):
71
 
    "Parse an ISO 8601 date string to a datetime.datetime()"
72
 
    if not iso:
73
 
        return None
74
 
    d, t = iso.split("T", 1)
75
 
    year, month, day = d.split("-", 2)
76
 
    hour, minute, second = t.split(":", 2)
77
 
    second, fraction = divmod(float(second), 1)
78
 
    return datetime.datetime(int(year),
79
 
                             int(month),
80
 
                             int(day),
81
 
                             int(hour),
82
 
                             int(minute),
83
 
                             int(second),            # Whole seconds
84
 
                             int(fraction*1000000))  # Microseconds
85
 
 
 
33
version = "1.0.15"
 
34
 
 
35
# Always run in monochrome mode
 
36
urwid.curses_display.curses.has_colors = lambda : False
 
37
 
 
38
# Urwid doesn't support blinking, but we want it.  Since we have no
 
39
# use for underline on its own, we make underline also always blink.
 
40
urwid.curses_display.curses.A_UNDERLINE |= (
 
41
    urwid.curses_display.curses.A_BLINK)
86
42
 
87
43
class MandosClientPropertyCache(object):
88
44
    """This wraps a Mandos Client D-Bus proxy object, caches the
89
45
    properties and calls a hook function when any of them are
90
46
    changed.
91
47
    """
92
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
93
 
        self.proxy = proxy_object  # Mandos Client proxy object
94
 
        self.properties = dict() if properties is None else properties
95
 
        self.property_changed_match = (
96
 
            self.proxy.connect_to_signal("PropertiesChanged",
97
 
                                         self.properties_changed,
98
 
                                         dbus.PROPERTIES_IFACE,
99
 
                                         byte_arrays=True))
100
 
 
101
 
        if properties is None:
102
 
            self.properties.update(self.proxy.GetAll(
103
 
                client_interface,
104
 
                dbus_interface=dbus.PROPERTIES_IFACE))
105
 
 
106
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
107
 
 
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.
 
48
    def __init__(self, proxy_object=None, *args, **kwargs):
 
49
        self.proxy = proxy_object # Mandos Client proxy object
 
50
        
 
51
        self.properties = dict()
 
52
        self.proxy.connect_to_signal(u"PropertyChanged",
 
53
                                     self.property_changed,
 
54
                                     client_interface,
 
55
                                     byte_arrays=True)
 
56
        
 
57
        self.properties.update(
 
58
            self.proxy.GetAll(client_interface,
 
59
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
60
        super(MandosClientPropertyCache, self).__init__(
 
61
            proxy_object=proxy_object, *args, **kwargs)
 
62
    
 
63
    def property_changed(self, property=None, value=None):
 
64
        """This is called whenever we get a PropertyChanged signal
 
65
        It updates the changed property in the "properties" dict.
111
66
        """
112
67
        # 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()
 
68
        self.properties[property] = value
118
69
 
119
70
 
120
71
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
121
72
    """A Mandos Client which is visible on the screen.
122
73
    """
123
 
 
 
74
    
124
75
    def __init__(self, server_proxy_object=None, update_hook=None,
125
 
                 delete_hook=None, logger=None, **kwargs):
 
76
                 delete_hook=None, logger=None, *args, **kwargs):
126
77
        # Called on update
127
78
        self.update_hook = update_hook
128
79
        # Called on delete
131
82
        self.server_proxy_object = server_proxy_object
132
83
        # Logger
133
84
        self.logger = logger
134
 
 
135
 
        self._update_timer_callback_tag = None
136
 
 
 
85
        
137
86
        # The widget shown normally
138
 
        self._text_widget = urwid.Text("")
 
87
        self._text_widget = urwid.Text(u"")
139
88
        # The widget shown when we have focus
140
 
        self._focus_text_widget = urwid.Text("")
141
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
89
        self._focus_text_widget = urwid.Text(u"")
 
90
        super(MandosClientWidget, self).__init__(
 
91
            update_hook=update_hook, delete_hook=delete_hook,
 
92
            *args, **kwargs)
142
93
        self.update()
143
94
        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 = (GLib.timeout_add
176
 
                                               (1000,
177
 
                                                self.update_timer))
178
 
        elif not (flag or self._update_timer_callback_tag is None):
179
 
            GLib.source_remove(self._update_timer_callback_tag)
180
 
            self._update_timer_callback_tag = None
181
 
 
 
95
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
96
                                     self.checker_completed,
 
97
                                     client_interface,
 
98
                                     byte_arrays=True)
 
99
        self.proxy.connect_to_signal(u"CheckerStarted",
 
100
                                     self.checker_started,
 
101
                                     client_interface,
 
102
                                     byte_arrays=True)
 
103
        self.proxy.connect_to_signal(u"GotSecret",
 
104
                                     self.got_secret,
 
105
                                     client_interface,
 
106
                                     byte_arrays=True)
 
107
        self.proxy.connect_to_signal(u"Rejected",
 
108
                                     self.rejected,
 
109
                                     client_interface,
 
110
                                     byte_arrays=True)
 
111
    
182
112
    def checker_completed(self, exitstatus, condition, command):
183
113
        if exitstatus == 0:
184
 
            self.logger('Checker for client {} (command "{}")'
185
 
                        ' succeeded'.format(self.properties["Name"],
186
 
                                            command), level=0)
187
 
            self.update()
 
114
            self.logger(u'Checker for client %s (command "%s")'
 
115
                        u' was successful'
 
116
                        % (self.properties[u"name"], command))
188
117
            return
189
 
        # Checker failed
190
118
        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)))
195
 
        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)))
200
 
        self.update()
201
 
 
 
119
            self.logger(u'Checker for client %s (command "%s")'
 
120
                        u' failed with exit code %s'
 
121
                        % (self.properties[u"name"], command,
 
122
                           os.WEXITSTATUS(condition)))
 
123
            return
 
124
        if os.WIFSIGNALED(condition):
 
125
            self.logger(u'Checker for client %s (command "%s")'
 
126
                        u' was killed by signal %s'
 
127
                        % (self.properties[u"name"], command,
 
128
                           os.WTERMSIG(condition)))
 
129
            return
 
130
        if os.WCOREDUMP(condition):
 
131
            self.logger(u'Checker for client %s (command "%s")'
 
132
                        u' dumped core'
 
133
                        % (self.properties[u"name"], command))
 
134
        self.logger(u'Checker for client %s completed mysteriously')
 
135
    
202
136
    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)
207
 
 
 
137
        self.logger(u'Client %s started checker "%s"'
 
138
                    % (self.properties[u"name"], unicode(command)))
 
139
    
208
140
    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))
223
 
 
 
141
        self.logger(u'Client %s received its secret'
 
142
                    % self.properties[u"name"])
 
143
    
 
144
    def rejected(self):
 
145
        self.logger(u'Client %s was rejected'
 
146
                    % self.properties[u"name"])
 
147
    
224
148
    def selectable(self):
225
149
        """Make this a "selectable" widget.
226
150
        This overrides the method from urwid.FlowWidget."""
227
151
        return True
228
 
 
229
 
    def rows(self, maxcolrow, focus=False):
 
152
    
 
153
    def rows(self, (maxcol,), focus=False):
230
154
        """How many rows this widget will occupy might depend on
231
155
        whether we have focus or not.
232
156
        This overrides the method from urwid.FlowWidget"""
233
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
234
 
 
 
157
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
158
    
235
159
    def current_widget(self, focus=False):
236
160
        if focus or self.opened:
237
161
            return self._focus_widget
238
162
        return self._widget
239
 
 
 
163
    
240
164
    def update(self):
241
165
        "Called when what is visible on the screen should be updated."
242
166
        # 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",
249
 
                         }
250
 
 
 
167
        with_standout = { u"normal": u"standout",
 
168
                          u"bold": u"bold-standout",
 
169
                          u"underline-blink":
 
170
                              u"underline-blink-standout",
 
171
                          u"bold-underline-blink":
 
172
                              u"bold-underline-blink-standout",
 
173
                          }
 
174
        
251
175
        # 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(
260
 
                milliseconds=self.properties["ApprovalDelay"])
261
 
            last_approval_request = isoformat_to_datetime(
262
 
                self.properties["LastApprovalRequest"])
263
 
            if last_approval_request is not None:
264
 
                timer = max(timeout - (datetime.datetime.utcnow()
265
 
                                       - last_approval_request),
266
 
                            datetime.timedelta())
267
 
            else:
268
 
                timer = datetime.timedelta()
269
 
            if self.properties["ApprovedByDefault"]:
270
 
                message = "Approval in {}. (d)eny?"
271
 
            else:
272
 
                message = "Denial in {}. (a)pprove?"
273
 
            message = message.format(str(timer).rsplit(".", 1)[0])
274
 
            self.using_timer(True)
275
 
        elif self.properties["LastCheckerStatus"] != 0:
276
 
            # When checker has failed, show timer until client expires
277
 
            expires = self.properties["Expires"]
278
 
            if expires == "":
279
 
                timer = datetime.timedelta(0)
280
 
            else:
281
 
                expires = (datetime.datetime.strptime
282
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
283
 
                timer = max(expires - datetime.datetime.utcnow(),
284
 
                            datetime.timedelta())
285
 
            message = ('A checker has failed! Time until client'
286
 
                       ' gets disabled: {}'
287
 
                       .format(str(timer).rsplit(".", 1)[0]))
288
 
            self.using_timer(True)
289
 
        else:
290
 
            message = "enabled"
291
 
            self.using_timer(False)
292
 
        self._text = "{}{}".format(base, message)
293
 
 
 
176
        self._text = (u'%(name)s: %(enabled)s'
 
177
                      % { u"name": self.properties[u"name"],
 
178
                          u"enabled":
 
179
                              (u"enabled"
 
180
                               if self.properties[u"enabled"]
 
181
                               else u"DISABLED")})
294
182
        if not urwid.supports_unicode():
295
183
            self._text = self._text.encode("ascii", "replace")
296
 
        textlist = [("normal", self._text)]
 
184
        textlist = [(u"normal", self._text)]
297
185
        self._text_widget.set_text(textlist)
298
186
        self._focus_text_widget.set_text([(with_standout[text[0]],
299
187
                                           text[1])
306
194
        # Run update hook, if any
307
195
        if self.update_hook is not None:
308
196
            self.update_hook()
309
 
 
310
 
    def update_timer(self):
311
 
        """called by GLib. Will indefinitely loop until
312
 
        GLib.source_remove() on tag is called
313
 
        """
314
 
        self.update()
315
 
        return True             # Keep calling this
316
 
 
317
 
    def delete(self, **kwargs):
318
 
        if self._update_timer_callback_tag is not None:
319
 
            GLib.source_remove(self._update_timer_callback_tag)
320
 
            self._update_timer_callback_tag = None
321
 
        for match in self.match_objects:
322
 
            match.remove()
323
 
        self.match_objects = ()
 
197
    
 
198
    def delete(self):
324
199
        if self.delete_hook is not None:
325
200
            self.delete_hook(self)
326
 
        return super(MandosClientWidget, self).delete(**kwargs)
327
 
 
328
 
    def render(self, maxcolrow, focus=False):
 
201
    
 
202
    def render(self, (maxcol,), focus=False):
329
203
        """Render differently if we have focus.
330
204
        This overrides the method from urwid.FlowWidget"""
331
 
        return self.current_widget(focus).render(maxcolrow,
 
205
        return self.current_widget(focus).render((maxcol,),
332
206
                                                 focus=focus)
333
 
 
334
 
    def keypress(self, maxcolrow, key):
 
207
    
 
208
    def keypress(self, (maxcol,), key):
335
209
        """Handle keys.
336
210
        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":
 
211
        if key == u"e" or key == u"+":
 
212
            self.proxy.Enable()
 
213
        elif key == u"d" or key == u"-":
 
214
            self.proxy.Disable()
 
215
        elif key == u"r" or key == u"_" or key == u"ctrl k":
354
216
            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)
 
217
                                                  .object_path)
 
218
        elif key == u"s":
 
219
            self.proxy.StartChecker()
 
220
        elif key == u"S":
 
221
            self.proxy.StopChecker()
 
222
        elif key == u"C":
 
223
            self.proxy.CheckedOK()
368
224
        # xxx
369
 
#         elif key == "p" or key == "=":
 
225
#         elif key == u"p" or key == "=":
370
226
#             self.proxy.pause()
371
 
#         elif key == "u" or key == ":":
 
227
#         elif key == u"u" or key == ":":
372
228
#             self.proxy.unpause()
373
 
#         elif key == "RET":
 
229
#         elif key == u"RET":
374
230
#             self.open()
375
231
        else:
376
232
            return key
377
 
 
378
 
    def properties_changed(self, interface, properties, invalidated):
379
 
        """Call self.update() if any properties changed.
 
233
    
 
234
    def property_changed(self, property=None, value=None,
 
235
                         *args, **kwargs):
 
236
        """Call self.update() if old value is not new value.
380
237
        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):
 
238
        property_name = unicode(property)
 
239
        old_value = self.properties.get(property_name)
 
240
        super(MandosClientWidget, self).property_changed(
 
241
            property=property, value=value, *args, **kwargs)
 
242
        if self.properties.get(property_name) != old_value:
387
243
            self.update()
388
244
 
389
245
 
392
248
    "down" key presses, thus not allowing any containing widgets to
393
249
    use them as an excuse to shift focus away from this widget.
394
250
    """
395
 
    def keypress(self, *args, **kwargs):
396
 
        ret = (super(ConstrainedListBox, self)
397
 
               .keypress(*args, **kwargs))
398
 
        if ret in ("up", "down"):
 
251
    def keypress(self, (maxcol, maxrow), key):
 
252
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
 
253
        if ret in (u"up", u"down"):
399
254
            return
400
255
        return ret
401
256
 
404
259
    """This is the entire user interface - the whole screen
405
260
    with boxes, lists of client widgets, etc.
406
261
    """
407
 
    def __init__(self, max_log_length=1000, log_level=1):
 
262
    def __init__(self, max_log_length=1000):
408
263
        DBusGMainLoop(set_as_default=True)
409
 
 
 
264
        
410
265
        self.screen = urwid.curses_display.Screen()
411
 
 
 
266
        
412
267
        self.screen.register_palette((
413
 
                ("normal",
414
 
                 "default", "default", None),
415
 
                ("bold",
416
 
                 "bold", "default", "bold"),
417
 
                ("underline-blink",
418
 
                 "underline,blink", "default", "underline,blink"),
419
 
                ("standout",
420
 
                 "standout", "default", "standout"),
421
 
                ("bold-underline-blink",
422
 
                 "bold,underline,blink", "default",
423
 
                 "bold,underline,blink"),
424
 
                ("bold-standout",
425
 
                 "bold,standout", "default", "bold,standout"),
426
 
                ("underline-blink-standout",
427
 
                 "underline,blink,standout", "default",
428
 
                 "underline,blink,standout"),
429
 
                ("bold-underline-blink-standout",
430
 
                 "bold,underline,blink,standout", "default",
431
 
                 "bold,underline,blink,standout"),
 
268
                (u"normal",
 
269
                 u"default", u"default", None),
 
270
                (u"bold",
 
271
                 u"default", u"default", u"bold"),
 
272
                (u"underline-blink",
 
273
                 u"default", u"default", u"underline"),
 
274
                (u"standout",
 
275
                 u"default", u"default", u"standout"),
 
276
                (u"bold-underline-blink",
 
277
                 u"default", u"default", (u"bold", u"underline")),
 
278
                (u"bold-standout",
 
279
                 u"default", u"default", (u"bold", u"standout")),
 
280
                (u"underline-blink-standout",
 
281
                 u"default", u"default", (u"underline", u"standout")),
 
282
                (u"bold-underline-blink-standout",
 
283
                 u"default", u"default", (u"bold", u"underline",
 
284
                                          u"standout")),
432
285
                ))
433
 
 
 
286
        
434
287
        if urwid.supports_unicode():
435
 
            self.divider = "─"  # \u2500
 
288
            self.divider = u"─" # \u2500
 
289
            #self.divider = u"━" # \u2501
436
290
        else:
437
 
            self.divider = "_"  # \u005f
438
 
 
 
291
            #self.divider = u"-" # \u002d
 
292
            self.divider = u"_" # \u005f
 
293
        
439
294
        self.screen.start()
440
 
 
 
295
        
441
296
        self.size = self.screen.get_cols_rows()
442
 
 
 
297
        
443
298
        self.clients = urwid.SimpleListWalker([])
444
299
        self.clients_dict = {}
445
 
 
 
300
        
446
301
        # We will add Text widgets to this list
447
 
        self.log = urwid.SimpleListWalker([])
 
302
        self.log = []
448
303
        self.max_log_length = max_log_length
449
 
 
450
 
        self.log_level = log_level
451
 
 
 
304
        
452
305
        # We keep a reference to the log widget so we can remove it
453
306
        # from the ListWalker without it getting destroyed
454
307
        self.logbox = ConstrainedListBox(self.log)
455
 
 
 
308
        
456
309
        # This keeps track of whether self.uilist currently has
457
310
        # self.logbox in it or not
458
311
        self.log_visible = True
459
 
        self.log_wrap = "any"
460
 
 
 
312
        self.log_wrap = u"any"
 
313
        
461
314
        self.rebuild()
462
 
        self.log_message_raw(("bold",
463
 
                              "Mandos Monitor version " + version))
464
 
        self.log_message_raw(("bold",
465
 
                              "q: Quit  ?: Help"))
466
 
 
 
315
        self.log_message_raw((u"bold",
 
316
                              u"Mandos Monitor version " + version))
 
317
        self.log_message_raw((u"bold",
 
318
                              u"q: Quit  ?: Help"))
 
319
        
467
320
        self.busname = domain + '.Mandos'
468
 
        self.main_loop = GLib.MainLoop()
469
 
 
 
321
        self.main_loop = gobject.MainLoop()
 
322
        self.bus = dbus.SystemBus()
 
323
        mandos_dbus_objc = self.bus.get_object(
 
324
            self.busname, u"/", follow_name_owner_changes=True)
 
325
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
326
                                          dbus_interface
 
327
                                          = server_interface)
 
328
        try:
 
329
            mandos_clients = (self.mandos_serv
 
330
                              .GetAllClientsWithProperties())
 
331
        except dbus.exceptions.DBusException:
 
332
            mandos_clients = dbus.Dictionary()
 
333
        
 
334
        (self.mandos_serv
 
335
         .connect_to_signal(u"ClientRemoved",
 
336
                            self.find_and_remove_client,
 
337
                            dbus_interface=server_interface,
 
338
                            byte_arrays=True))
 
339
        (self.mandos_serv
 
340
         .connect_to_signal(u"ClientAdded",
 
341
                            self.add_new_client,
 
342
                            dbus_interface=server_interface,
 
343
                            byte_arrays=True))
 
344
        (self.mandos_serv
 
345
         .connect_to_signal(u"ClientNotFound",
 
346
                            self.client_not_found,
 
347
                            dbus_interface=server_interface,
 
348
                            byte_arrays=True))
 
349
        for path, client in mandos_clients.iteritems():
 
350
            client_proxy_object = self.bus.get_object(self.busname,
 
351
                                                      path)
 
352
            self.add_client(MandosClientWidget(server_proxy_object
 
353
                                               =self.mandos_serv,
 
354
                                               proxy_object
 
355
                                               =client_proxy_object,
 
356
                                               properties=client,
 
357
                                               update_hook
 
358
                                               =self.refresh,
 
359
                                               delete_hook
 
360
                                               =self.remove_client,
 
361
                                               logger
 
362
                                               =self.log_message),
 
363
                            path=path)
 
364
    
470
365
    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))
474
 
 
 
366
        self.log_message((u"Client with address %s and fingerprint %s"
 
367
                          u" could not be found" % (address,
 
368
                                                    fingerprint)))
 
369
    
475
370
    def rebuild(self):
476
371
        """This rebuilds the User Interface.
477
372
        Call this when the widget layout needs to change"""
478
373
        self.uilist = []
479
 
        # self.uilist.append(urwid.ListBox(self.clients))
480
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
481
 
                                                          clients),
482
 
                                       # header=urwid.Divider(),
 
374
        #self.uilist.append(urwid.ListBox(self.clients))
 
375
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
 
376
                                       #header=urwid.Divider(),
483
377
                                       header=None,
484
 
                                       footer=urwid.Divider(
485
 
                                           div_char=self.divider)))
 
378
                                       footer=urwid.Divider(div_char=self.divider)))
486
379
        if self.log_visible:
487
380
            self.uilist.append(self.logbox)
 
381
            pass
488
382
        self.topwidget = urwid.Pile(self.uilist)
489
 
 
490
 
    def log_message(self, message, level=1):
491
 
        """Log message formatted with timestamp"""
492
 
        if level < self.log_level:
493
 
            return
 
383
    
 
384
    def log_message(self, message):
494
385
        timestamp = datetime.datetime.now().isoformat()
495
 
        self.log_message_raw("{}: {}".format(timestamp, message),
496
 
                             level=level)
497
 
 
498
 
    def log_message_raw(self, markup, level=1):
 
386
        self.log_message_raw(timestamp + u": " + message)
 
387
    
 
388
    def log_message_raw(self, markup):
499
389
        """Add a log message to the log buffer."""
500
 
        if level < self.log_level:
501
 
            return
502
390
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
503
 
        if self.max_log_length:
504
 
            if len(self.log) > self.max_log_length:
505
 
                del self.log[0:len(self.log)-self.max_log_length-1]
506
 
        self.logbox.set_focus(len(self.logbox.body.contents)-1,
507
 
                              coming_from="above")
 
391
        if (self.max_log_length
 
392
            and len(self.log) > self.max_log_length):
 
393
            del self.log[0:len(self.log)-self.max_log_length-1]
 
394
        self.logbox.set_focus(len(self.logbox.body.contents),
 
395
                              coming_from=u"above")
508
396
        self.refresh()
509
 
 
 
397
    
510
398
    def toggle_log_display(self):
511
399
        """Toggle visibility of the log buffer."""
512
400
        self.log_visible = not self.log_visible
513
401
        self.rebuild()
514
 
        self.log_message("Log visibility changed to: {}"
515
 
                         .format(self.log_visible), level=0)
516
 
 
 
402
        self.log_message(u"Log visibility changed to: "
 
403
                         + unicode(self.log_visible))
 
404
    
517
405
    def change_log_display(self):
518
406
        """Change type of log display.
519
407
        Currently, this toggles wrapping of text lines."""
520
 
        if self.log_wrap == "clip":
521
 
            self.log_wrap = "any"
 
408
        if self.log_wrap == u"clip":
 
409
            self.log_wrap = u"any"
522
410
        else:
523
 
            self.log_wrap = "clip"
 
411
            self.log_wrap = u"clip"
524
412
        for textwidget in self.log:
525
413
            textwidget.set_wrap_mode(self.log_wrap)
526
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
527
 
                         level=0)
528
 
 
529
 
    def find_and_remove_client(self, path, interfaces):
530
 
        """Find a client by its object path and remove it.
531
 
 
532
 
        This is connected to the InterfacesRemoved signal from the
 
414
        self.log_message(u"Wrap mode: " + self.log_wrap)
 
415
    
 
416
    def find_and_remove_client(self, path, name):
 
417
        """Find an client from its object path and remove it.
 
418
        
 
419
        This is connected to the ClientRemoved signal from the
533
420
        Mandos server object."""
534
 
        if client_interface not in interfaces:
535
 
            # Not a Mandos client object; ignore
536
 
            return
537
421
        try:
538
422
            client = self.clients_dict[path]
539
423
        except KeyError:
540
424
            # not found?
541
 
            self.log_message("Unknown client {!r} removed"
542
 
                             .format(path))
543
 
            return
544
 
        client.delete()
545
 
 
546
 
    def add_new_client(self, path, ifs_and_props):
547
 
        """Find a client by its object path and remove it.
548
 
 
549
 
        This is connected to the InterfacesAdded signal from the
550
 
        Mandos server object.
551
 
        """
552
 
        if client_interface not in ifs_and_props:
553
 
            # Not a Mandos client object; ignore
554
 
            return
 
425
            return
 
426
        self.remove_client(client, path)
 
427
    
 
428
    def add_new_client(self, path):
555
429
        client_proxy_object = self.bus.get_object(self.busname, path)
556
 
        self.add_client(MandosClientWidget(
557
 
            server_proxy_object=self.mandos_serv,
558
 
            proxy_object=client_proxy_object,
559
 
            update_hook=self.refresh,
560
 
            delete_hook=self.remove_client,
561
 
            logger=self.log_message,
562
 
            properties=dict(ifs_and_props[client_interface])),
 
430
        self.add_client(MandosClientWidget(server_proxy_object
 
431
                                           =self.mandos_serv,
 
432
                                           proxy_object
 
433
                                           =client_proxy_object,
 
434
                                           update_hook
 
435
                                           =self.refresh,
 
436
                                           delete_hook
 
437
                                           =self.remove_client,
 
438
                                           logger
 
439
                                           =self.log_message),
563
440
                        path=path)
564
 
 
 
441
    
565
442
    def add_client(self, client, path=None):
566
443
        self.clients.append(client)
567
444
        if path is None:
568
445
            path = client.proxy.object_path
569
446
        self.clients_dict[path] = client
570
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
447
        self.clients.sort(None, lambda c: c.properties[u"name"])
571
448
        self.refresh()
572
 
 
 
449
    
573
450
    def remove_client(self, client, path=None):
574
451
        self.clients.remove(client)
575
452
        if path is None:
576
453
            path = client.proxy.object_path
577
454
        del self.clients_dict[path]
 
455
        if not self.clients_dict:
 
456
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
457
            # is completely emptied, we need to recreate it.
 
458
            self.clients = urwid.SimpleListWalker([])
 
459
            self.rebuild()
578
460
        self.refresh()
579
 
 
 
461
    
580
462
    def refresh(self):
581
463
        """Redraw the screen"""
582
464
        canvas = self.topwidget.render(self.size, focus=True)
583
465
        self.screen.draw_screen(self.size, canvas)
584
 
 
 
466
    
585
467
    def run(self):
586
468
        """Start the main loop and exit when it's done."""
587
 
        self.bus = dbus.SystemBus()
588
 
        mandos_dbus_objc = self.bus.get_object(
589
 
            self.busname, "/", follow_name_owner_changes=True)
590
 
        self.mandos_serv = dbus.Interface(
591
 
            mandos_dbus_objc, dbus_interface=server_interface)
592
 
        try:
593
 
            mandos_clients = (self.mandos_serv
594
 
                              .GetAllClientsWithProperties())
595
 
            if not mandos_clients:
596
 
                self.log_message_raw(("bold",
597
 
                                      "Note: Server has no clients."))
598
 
        except dbus.exceptions.DBusException:
599
 
            self.log_message_raw(("bold",
600
 
                                  "Note: No Mandos server running."))
601
 
            mandos_clients = dbus.Dictionary()
602
 
 
603
 
        (self.mandos_serv
604
 
         .connect_to_signal("InterfacesRemoved",
605
 
                            self.find_and_remove_client,
606
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
607
 
                            byte_arrays=True))
608
 
        (self.mandos_serv
609
 
         .connect_to_signal("InterfacesAdded",
610
 
                            self.add_new_client,
611
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
612
 
                            byte_arrays=True))
613
 
        (self.mandos_serv
614
 
         .connect_to_signal("ClientNotFound",
615
 
                            self.client_not_found,
616
 
                            dbus_interface=server_interface,
617
 
                            byte_arrays=True))
618
 
        for path, client in mandos_clients.items():
619
 
            client_proxy_object = self.bus.get_object(self.busname,
620
 
                                                      path)
621
 
            self.add_client(MandosClientWidget(
622
 
                server_proxy_object=self.mandos_serv,
623
 
                proxy_object=client_proxy_object,
624
 
                properties=client,
625
 
                update_hook=self.refresh,
626
 
                delete_hook=self.remove_client,
627
 
                logger=self.log_message),
628
 
                            path=path)
629
 
 
630
469
        self.refresh()
631
 
        self._input_callback_tag = (GLib.io_add_watch
 
470
        self._input_callback_tag = (gobject.io_add_watch
632
471
                                    (sys.stdin.fileno(),
633
 
                                     GLib.IO_IN,
 
472
                                     gobject.IO_IN,
634
473
                                     self.process_input))
635
474
        self.main_loop.run()
636
475
        # Main loop has finished, we should close everything now
637
 
        GLib.source_remove(self._input_callback_tag)
 
476
        gobject.source_remove(self._input_callback_tag)
638
477
        self.screen.stop()
639
 
 
 
478
    
640
479
    def stop(self):
641
480
        self.main_loop.quit()
642
 
 
 
481
    
643
482
    def process_input(self, source, condition):
644
483
        keys = self.screen.get_input()
645
 
        translations = {"ctrl n": "down",       # Emacs
646
 
                        "ctrl p": "up",         # Emacs
647
 
                        "ctrl v": "page down",  # Emacs
648
 
                        "meta v": "page up",    # Emacs
649
 
                        " ": "page down",       # less
650
 
                        "f": "page down",       # less
651
 
                        "b": "page up",         # less
652
 
                        "j": "down",            # vi
653
 
                        "k": "up",              # vi
654
 
                        }
 
484
        translations = { u"ctrl n": u"down",      # Emacs
 
485
                         u"ctrl p": u"up",        # Emacs
 
486
                         u"ctrl v": u"page down", # Emacs
 
487
                         u"meta v": u"page up",   # Emacs
 
488
                         u" ": u"page down",      # less
 
489
                         u"f": u"page down",      # less
 
490
                         u"b": u"page up",        # less
 
491
                         u"j": u"down",           # vi
 
492
                         u"k": u"up",             # vi
 
493
                         }
655
494
        for key in keys:
656
495
            try:
657
496
                key = translations[key]
658
497
            except KeyError:    # :-)
659
498
                pass
660
 
 
661
 
            if key == "q" or key == "Q":
 
499
            
 
500
            if key == u"q" or key == u"Q":
662
501
                self.stop()
663
502
                break
664
 
            elif key == "window resize":
 
503
            elif key == u"window resize":
665
504
                self.size = self.screen.get_cols_rows()
666
505
                self.refresh()
667
 
            elif key == "ctrl l":
668
 
                self.screen.clear()
 
506
            elif key == u"\f":  # Ctrl-L
669
507
                self.refresh()
670
 
            elif key == "l" or key == "D":
 
508
            elif key == u"l" or key == u"D":
671
509
                self.toggle_log_display()
672
510
                self.refresh()
673
 
            elif key == "w" or key == "i":
 
511
            elif key == u"w" or key == u"i":
674
512
                self.change_log_display()
675
513
                self.refresh()
676
 
            elif key == "?" or key == "f1" or key == "esc":
 
514
            elif key == u"?" or key == u"f1" or key == u"esc":
677
515
                if not self.log_visible:
678
516
                    self.log_visible = True
679
517
                    self.rebuild()
680
 
                self.log_message_raw(("bold",
681
 
                                      "  ".
682
 
                                      join(("q: Quit",
683
 
                                            "?: Help",
684
 
                                            "l: Log window toggle",
685
 
                                            "TAB: Switch window",
686
 
                                            "w: Wrap (log lines)",
687
 
                                            "v: Toggle verbose log",
688
 
                                            ))))
689
 
                self.log_message_raw(("bold",
690
 
                                      "  "
691
 
                                      .join(("Clients:",
692
 
                                             "+: Enable",
693
 
                                             "-: Disable",
694
 
                                             "R: Remove",
695
 
                                             "s: Start new checker",
696
 
                                             "S: Stop checker",
697
 
                                             "C: Checker OK",
698
 
                                             "a: Approve",
699
 
                                             "d: Deny"))))
 
518
                self.log_message_raw((u"bold",
 
519
                                      u"  ".
 
520
                                      join((u"q: Quit",
 
521
                                            u"?: Help",
 
522
                                            u"l: Log window toggle",
 
523
                                            u"TAB: Switch window",
 
524
                                            u"w: Wrap (log)"))))
 
525
                self.log_message_raw((u"bold",
 
526
                                      u"  "
 
527
                                      .join((u"Clients:",
 
528
                                             u"e: Enable",
 
529
                                             u"d: Disable",
 
530
                                             u"r: Remove",
 
531
                                             u"s: Start new checker",
 
532
                                             u"S: Stop checker",
 
533
                                             u"C: Checker OK"))))
700
534
                self.refresh()
701
 
            elif key == "tab":
 
535
            elif key == u"tab":
702
536
                if self.topwidget.get_focus() is self.logbox:
703
537
                    self.topwidget.set_focus(0)
704
538
                else:
705
539
                    self.topwidget.set_focus(self.logbox)
706
540
                self.refresh()
707
 
            elif key == "v":
708
 
                if self.log_level == 0:
709
 
                    self.log_level = 1
710
 
                    self.log_message("Verbose mode: Off")
711
 
                else:
712
 
                    self.log_level = 0
713
 
                    self.log_message("Verbose mode: On")
714
 
            # elif (key == "end" or key == "meta >" or key == "G"
715
 
            #       or key == ">"):
716
 
            #     pass            # xxx end-of-buffer
717
 
            # elif (key == "home" or key == "meta <" or key == "g"
718
 
            #       or key == "<"):
719
 
            #     pass            # xxx beginning-of-buffer
720
 
            # elif key == "ctrl e" or key == "$":
721
 
            #     pass            # xxx move-end-of-line
722
 
            # elif key == "ctrl a" or key == "^":
723
 
            #     pass            # xxx move-beginning-of-line
724
 
            # elif key == "ctrl b" or key == "meta (" or key == "h":
725
 
            #     pass            # xxx left
726
 
            # elif key == "ctrl f" or key == "meta )" or key == "l":
727
 
            #     pass            # xxx right
728
 
            # elif key == "a":
729
 
            #     pass            # scroll up log
730
 
            # elif key == "z":
731
 
            #     pass            # scroll down log
 
541
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
542
            #      or key == u">"):
 
543
            #    pass            # xxx end-of-buffer
 
544
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
545
            #      or key == u"<"):
 
546
            #    pass            # xxx beginning-of-buffer
 
547
            #elif key == u"ctrl e" or key == u"$":
 
548
            #    pass            # xxx move-end-of-line
 
549
            #elif key == u"ctrl a" or key == u"^":
 
550
            #    pass            # xxx move-beginning-of-line
 
551
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
552
            #    pass            # xxx left
 
553
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
554
            #    pass            # xxx right
 
555
            #elif key == u"a":
 
556
            #    pass            # scroll up log
 
557
            #elif key == u"z":
 
558
            #    pass            # scroll down log
732
559
            elif self.topwidget.selectable():
733
560
                self.topwidget.keypress(self.size, key)
734
561
                self.refresh()
735
562
        return True
736
563
 
737
 
 
738
564
ui = UserInterface()
739
565
try:
740
566
    ui.run()
741
 
except KeyboardInterrupt:
742
 
    ui.screen.stop()
743
 
except Exception as e:
744
 
    ui.log_message(str(e))
 
567
except Exception, e:
 
568
    ui.log_message(unicode(e))
745
569
    ui.screen.stop()
746
570
    raise