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* DBUS-API: Document new "LastApprovalRequest" client property.

* mandos (Client.last_approval_request): New attribute.
  (Client.need_approval): New method.
  (ClientDBus.need_approval): - '' -
  (ClientDBus.NeedApproval): Call self.need_approval().
  (ClientDBus.LastApprovalRequest_dbus_property): New D-Bus property.

* mandos-monitor: Show timeout counter during approval delay.
  (MandosClientWidget._update_timer_callback_lock): New.
  (MandosClientWidget.property_changed): Override to also call
                                         using_timer if
                                         ApprovalPending property is
                                         changed.
  (MandosClientWidget.using_timer): New method.
  (MandosClientWidget.checker_completed): Use "using_timer".
  (MandosClientWidget.need_approval): - '' -
  (MandosClientWidget.update): Show approval delay timer.

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mandos-monitor
1
1
#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
3
 
# 
4
 
# Mandos Monitor - Control and monitor the Mandos server
5
 
# 
6
 
# Copyright © 2009-2016 Teddy Hogeborn
7
 
# Copyright © 2009-2016 Björn Påhlsson
8
 
# 
9
 
# This program is free software: you can redistribute it and/or modify
10
 
# it under the terms of the GNU General Public License as published by
11
 
# the Free Software Foundation, either version 3 of the License, or
12
 
# (at your option) any later version.
13
 
#
14
 
#     This program is distributed in the hope that it will be useful,
15
 
#     but WITHOUT ANY WARRANTY; without even the implied warranty of
16
 
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17
 
#     GNU General Public License for more details.
18
 
# 
19
 
# You should have received a copy of the GNU General Public License
20
 
# along with this program.  If not, see
21
 
# <http://www.gnu.org/licenses/>.
22
 
# 
23
 
# Contact the authors at <mandos@recompile.se>.
24
 
# 
25
3
 
26
 
from __future__ import (division, absolute_import, print_function,
27
 
                        unicode_literals)
28
 
try:
29
 
    from future_builtins import *
30
 
except ImportError:
31
 
    pass
 
4
from __future__ import division, absolute_import, with_statement
32
5
 
33
6
import sys
34
7
import os
 
8
import signal
35
9
 
36
10
import datetime
37
11
 
39
13
import urwid
40
14
 
41
15
from dbus.mainloop.glib import DBusGMainLoop
42
 
from gi.repository import GLib
 
16
import gobject
43
17
 
44
18
import dbus
45
19
 
 
20
import UserList
 
21
 
46
22
import locale
47
23
 
48
 
if sys.version_info.major == 2:
49
 
    str = unicode
50
 
 
51
 
locale.setlocale(locale.LC_ALL, '')
 
24
locale.setlocale(locale.LC_ALL, u'')
52
25
 
53
26
import logging
54
27
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
55
28
 
56
29
# Some useful constants
57
 
domain = 'se.recompile'
 
30
domain = 'se.bsnet.fukt'
58
31
server_interface = domain + '.Mandos'
59
32
client_interface = domain + '.Mandos.Client'
60
 
version = "1.7.9"
61
 
 
62
 
try:
63
 
    dbus.OBJECT_MANAGER_IFACE
64
 
except AttributeError:
65
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
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)
66
42
 
67
43
def isoformat_to_datetime(iso):
68
44
    "Parse an ISO 8601 date string to a datetime.datetime()"
69
45
    if not iso:
70
46
        return None
71
 
    d, t = iso.split("T", 1)
72
 
    year, month, day = d.split("-", 2)
73
 
    hour, minute, second = t.split(":", 2)
 
47
    d, t = iso.split(u"T", 1)
 
48
    year, month, day = d.split(u"-", 2)
 
49
    hour, minute, second = t.split(u":", 2)
74
50
    second, fraction = divmod(float(second), 1)
75
51
    return datetime.datetime(int(year),
76
52
                             int(month),
85
61
    properties and calls a hook function when any of them are
86
62
    changed.
87
63
    """
88
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
64
    def __init__(self, proxy_object=None, *args, **kwargs):
89
65
        self.proxy = proxy_object # Mandos Client proxy object
90
 
        self.properties = dict() if properties is None else properties
91
 
        self.property_changed_match = (
92
 
            self.proxy.connect_to_signal("PropertiesChanged",
93
 
                                         self.properties_changed,
94
 
                                         dbus.PROPERTIES_IFACE,
95
 
                                         byte_arrays=True))
96
 
        
97
 
        if properties is None:
98
 
            self.properties.update(
99
 
                self.proxy.GetAll(client_interface,
100
 
                                  dbus_interface
101
 
                                  = dbus.PROPERTIES_IFACE))
102
 
        
103
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
66
        
 
67
        self.properties = dict()
 
68
        self.proxy.connect_to_signal(u"PropertyChanged",
 
69
                                     self.property_changed,
 
70
                                     client_interface,
 
71
                                     byte_arrays=True)
 
72
        
 
73
        self.properties.update(
 
74
            self.proxy.GetAll(client_interface,
 
75
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
76
 
 
77
        #XXX This break good super behaviour!
 
78
#        super(MandosClientPropertyCache, self).__init__(
 
79
#            *args, **kwargs)
104
80
    
105
 
    def properties_changed(self, interface, properties, invalidated):
106
 
        """This is called whenever we get a PropertiesChanged signal
107
 
        It updates the changed properties in the "properties" dict.
 
81
    def property_changed(self, property=None, value=None):
 
82
        """This is called whenever we get a PropertyChanged signal
 
83
        It updates the changed property in the "properties" dict.
108
84
        """
109
85
        # Update properties dict with new value
110
 
        if interface == client_interface:
111
 
            self.properties.update(properties)
112
 
    
113
 
    def delete(self):
114
 
        self.property_changed_match.remove()
 
86
        self.properties[property] = value
115
87
 
116
88
 
117
89
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
119
91
    """
120
92
    
121
93
    def __init__(self, server_proxy_object=None, update_hook=None,
122
 
                 delete_hook=None, logger=None, **kwargs):
 
94
                 delete_hook=None, logger=None, *args, **kwargs):
123
95
        # Called on update
124
96
        self.update_hook = update_hook
125
97
        # Called on delete
130
102
        self.logger = logger
131
103
        
132
104
        self._update_timer_callback_tag = None
 
105
        self._update_timer_callback_lock = 0
 
106
        self.last_checker_failed = False
133
107
        
134
108
        # The widget shown normally
135
 
        self._text_widget = urwid.Text("")
 
109
        self._text_widget = urwid.Text(u"")
136
110
        # The widget shown when we have focus
137
 
        self._focus_text_widget = urwid.Text("")
138
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
111
        self._focus_text_widget = urwid.Text(u"")
 
112
        super(MandosClientWidget, self).__init__(
 
113
            update_hook=update_hook, delete_hook=delete_hook,
 
114
            *args, **kwargs)
139
115
        self.update()
140
116
        self.opened = False
141
117
        
142
 
        self.match_objects = (
143
 
            self.proxy.connect_to_signal("CheckerCompleted",
144
 
                                         self.checker_completed,
145
 
                                         client_interface,
146
 
                                         byte_arrays=True),
147
 
            self.proxy.connect_to_signal("CheckerStarted",
148
 
                                         self.checker_started,
149
 
                                         client_interface,
150
 
                                         byte_arrays=True),
151
 
            self.proxy.connect_to_signal("GotSecret",
152
 
                                         self.got_secret,
153
 
                                         client_interface,
154
 
                                         byte_arrays=True),
155
 
            self.proxy.connect_to_signal("NeedApproval",
156
 
                                         self.need_approval,
157
 
                                         client_interface,
158
 
                                         byte_arrays=True),
159
 
            self.proxy.connect_to_signal("Rejected",
160
 
                                         self.rejected,
161
 
                                         client_interface,
162
 
                                         byte_arrays=True))
163
 
        self.logger('Created client {}'
164
 
                    .format(self.properties["Name"]), level=0)
 
118
        last_checked_ok = isoformat_to_datetime(self.properties
 
119
                                                [u"LastCheckedOK"])
 
120
        if last_checked_ok is None:
 
121
            self.last_checker_failed = True
 
122
        else:
 
123
            self.last_checker_failed = ((datetime.datetime.utcnow()
 
124
                                         - last_checked_ok)
 
125
                                        > datetime.timedelta
 
126
                                        (milliseconds=
 
127
                                         self.properties
 
128
                                         [u"Interval"]))
 
129
        
 
130
        if self.last_checker_failed:
 
131
            self.using_timer(True)
 
132
        
 
133
        if self.need_approval:
 
134
            self.using_timer(True)
 
135
        
 
136
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
137
                                     self.checker_completed,
 
138
                                     client_interface,
 
139
                                     byte_arrays=True)
 
140
        self.proxy.connect_to_signal(u"CheckerStarted",
 
141
                                     self.checker_started,
 
142
                                     client_interface,
 
143
                                     byte_arrays=True)
 
144
        self.proxy.connect_to_signal(u"GotSecret",
 
145
                                     self.got_secret,
 
146
                                     client_interface,
 
147
                                     byte_arrays=True)
 
148
        self.proxy.connect_to_signal(u"NeedApproval",
 
149
                                     self.need_approval,
 
150
                                     client_interface,
 
151
                                     byte_arrays=True)
 
152
        self.proxy.connect_to_signal(u"Rejected",
 
153
                                     self.rejected,
 
154
                                     client_interface,
 
155
                                     byte_arrays=True)
165
156
    
 
157
    def property_changed(self, property=None, value=None):
 
158
        super(self, MandosClientWidget).property_changed(property,
 
159
                                                         value)
 
160
        if property == u"ApprovalPending":
 
161
            using_timer(bool(value))
 
162
        
166
163
    def using_timer(self, flag):
167
164
        """Call this method with True or False when timer should be
168
165
        activated or deactivated.
169
166
        """
170
 
        if flag and self._update_timer_callback_tag is None:
171
 
            # Will update the shown timer value every second
172
 
            self._update_timer_callback_tag = (GLib.timeout_add
 
167
        old = self._update_timer_callback_lock
 
168
        if flag:
 
169
            self._update_timer_callback_lock += 1
 
170
        else:
 
171
            self._update_timer_callback_lock -= 1
 
172
        if old == 0 and self._update_timer_callback_lock:
 
173
            self._update_timer_callback_tag = (gobject.timeout_add
173
174
                                               (1000,
174
175
                                                self.update_timer))
175
 
        elif not (flag or self._update_timer_callback_tag is None):
176
 
            GLib.source_remove(self._update_timer_callback_tag)
 
176
        elif old and self._update_timer_callback_lock == 0:
 
177
            gobject.source_remove(self._update_timer_callback_tag)
177
178
            self._update_timer_callback_tag = None
178
179
    
179
180
    def checker_completed(self, exitstatus, condition, command):
180
181
        if exitstatus == 0:
181
 
            self.logger('Checker for client {} (command "{}")'
182
 
                        ' succeeded'.format(self.properties["Name"],
183
 
                                            command), level=0)
 
182
            if self.last_checker_failed:
 
183
                self.last_checker_failed = False
 
184
                self.using_timer(False)
 
185
            #self.logger(u'Checker for client %s (command "%s")'
 
186
            #            u' was successful'
 
187
            #            % (self.properties[u"Name"], command))
184
188
            self.update()
185
189
            return
186
190
        # Checker failed
 
191
        if not self.last_checker_failed:
 
192
            self.last_checker_failed = True
 
193
            self.using_timer(True)
187
194
        if os.WIFEXITED(condition):
188
 
            self.logger('Checker for client {} (command "{}") failed'
189
 
                        ' with exit code {}'
190
 
                        .format(self.properties["Name"], command,
191
 
                                os.WEXITSTATUS(condition)))
 
195
            self.logger(u'Checker for client %s (command "%s")'
 
196
                        u' failed with exit code %s'
 
197
                        % (self.properties[u"Name"], command,
 
198
                           os.WEXITSTATUS(condition)))
192
199
        elif os.WIFSIGNALED(condition):
193
 
            self.logger('Checker for client {} (command "{}") was'
194
 
                        ' killed by signal {}'
195
 
                        .format(self.properties["Name"], command,
196
 
                                os.WTERMSIG(condition)))
 
200
            self.logger(u'Checker for client %s (command "%s")'
 
201
                        u' was killed by signal %s'
 
202
                        % (self.properties[u"Name"], command,
 
203
                           os.WTERMSIG(condition)))
 
204
        elif os.WCOREDUMP(condition):
 
205
            self.logger(u'Checker for client %s (command "%s")'
 
206
                        u' dumped core'
 
207
                        % (self.properties[u"Name"], command))
 
208
        else:
 
209
            self.logger(u'Checker for client %s completed'
 
210
                        u' mysteriously')
197
211
        self.update()
198
212
    
199
213
    def checker_started(self, command):
200
 
        """Server signals that a checker started."""
201
 
        self.logger('Client {} started checker "{}"'
202
 
                    .format(self.properties["Name"],
203
 
                            command), level=0)
 
214
        #self.logger(u'Client %s started checker "%s"'
 
215
        #            % (self.properties[u"Name"], unicode(command)))
 
216
        pass
204
217
    
205
218
    def got_secret(self):
206
 
        self.logger('Client {} received its secret'
207
 
                    .format(self.properties["Name"]))
 
219
        self.last_checker_failed = False
 
220
        self.logger(u'Client %s received its secret'
 
221
                    % self.properties[u"Name"])
208
222
    
209
223
    def need_approval(self, timeout, default):
210
224
        if not default:
211
 
            message = 'Client {} needs approval within {} seconds'
 
225
            message = u'Client %s needs approval within %s seconds'
212
226
        else:
213
 
            message = 'Client {} will get its secret in {} seconds'
214
 
        self.logger(message.format(self.properties["Name"],
215
 
                                   timeout/1000))
 
227
            message = u'Client %s will get its secret in %s seconds'
 
228
        self.logger(message
 
229
                    % (self.properties[u"Name"], timeout/1000))
 
230
        self.using_timer(True)
216
231
    
217
232
    def rejected(self, reason):
218
 
        self.logger('Client {} was rejected; reason: {}'
219
 
                    .format(self.properties["Name"], reason))
 
233
        self.logger(u'Client %s was rejected; reason: %s'
 
234
                    % (self.properties[u"Name"], reason))
220
235
    
221
236
    def selectable(self):
222
237
        """Make this a "selectable" widget.
223
238
        This overrides the method from urwid.FlowWidget."""
224
239
        return True
225
240
    
226
 
    def rows(self, maxcolrow, focus=False):
 
241
    def rows(self, (maxcol,), focus=False):
227
242
        """How many rows this widget will occupy might depend on
228
243
        whether we have focus or not.
229
244
        This overrides the method from urwid.FlowWidget"""
230
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
245
        return self.current_widget(focus).rows((maxcol,), focus=focus)
231
246
    
232
247
    def current_widget(self, focus=False):
233
248
        if focus or self.opened:
237
252
    def update(self):
238
253
        "Called when what is visible on the screen should be updated."
239
254
        # How to add standout mode to a style
240
 
        with_standout = { "normal": "standout",
241
 
                          "bold": "bold-standout",
242
 
                          "underline-blink":
243
 
                              "underline-blink-standout",
244
 
                          "bold-underline-blink":
245
 
                              "bold-underline-blink-standout",
 
255
        with_standout = { u"normal": u"standout",
 
256
                          u"bold": u"bold-standout",
 
257
                          u"underline-blink":
 
258
                              u"underline-blink-standout",
 
259
                          u"bold-underline-blink":
 
260
                              u"bold-underline-blink-standout",
246
261
                          }
247
 
        
 
262
 
248
263
        # Rebuild focus and non-focus widgets using current properties
249
 
        
 
264
 
250
265
        # Base part of a client. Name!
251
 
        base = '{name}: '.format(name=self.properties["Name"])
252
 
        if not self.properties["Enabled"]:
253
 
            message = "DISABLED"
254
 
            self.using_timer(False)
255
 
        elif self.properties["ApprovalPending"]:
 
266
        base = (u'%(name)s: '
 
267
                      % {u"name": self.properties[u"Name"]})
 
268
        if not self.properties[u"Enabled"]:
 
269
            message = u"DISABLED"
 
270
        elif self.properties[u"ApprovalPending"]:
256
271
            timeout = datetime.timedelta(milliseconds
257
272
                                         = self.properties
258
 
                                         ["ApprovalDelay"])
 
273
                                         [u"ApprovalDelay"])
259
274
            last_approval_request = isoformat_to_datetime(
260
 
                self.properties["LastApprovalRequest"])
 
275
                self.properties[u"LastApprovalRequest"])
261
276
            if last_approval_request is not None:
262
 
                timer = max(timeout - (datetime.datetime.utcnow()
263
 
                                       - last_approval_request),
264
 
                            datetime.timedelta())
 
277
                timer = timeout - (datetime.datetime.utcnow()
 
278
                                   - last_approval_request)
265
279
            else:
266
280
                timer = datetime.timedelta()
267
 
            if self.properties["ApprovedByDefault"]:
268
 
                message = "Approval in {}. (d)eny?"
269
 
            else:
270
 
                message = "Denial in {}. (a)pprove?"
271
 
            message = message.format(str(timer).rsplit(".", 1)[0])
272
 
            self.using_timer(True)
273
 
        elif self.properties["LastCheckerStatus"] != 0:
274
 
            # When checker has failed, show timer until client expires
275
 
            expires = self.properties["Expires"]
276
 
            if expires == "":
277
 
                timer = datetime.timedelta(0)
278
 
            else:
279
 
                expires = (datetime.datetime.strptime
280
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
281
 
                timer = max(expires - datetime.datetime.utcnow(),
282
 
                            datetime.timedelta())
283
 
            message = ('A checker has failed! Time until client'
284
 
                       ' gets disabled: {}'
285
 
                       .format(str(timer).rsplit(".", 1)[0]))
286
 
            self.using_timer(True)
 
281
            if self.properties[u"ApprovedByDefault"]:
 
282
                message = u"Approval in %s. (d)eny?"
 
283
            else:
 
284
                message = u"Denial in %s. (a)pprove?"
 
285
            message = message % unicode(timer).rsplit(".", 1)[0]
 
286
        elif self.last_checker_failed:
 
287
            timeout = datetime.timedelta(milliseconds
 
288
                                         = self.properties
 
289
                                         [u"Timeout"])
 
290
            last_ok = isoformat_to_datetime(
 
291
                max((self.properties[u"LastCheckedOK"]
 
292
                     or self.properties[u"Created"]),
 
293
                    self.properties[u"LastEnabled"]))
 
294
            timer = timeout - (datetime.datetime.utcnow() - last_ok)
 
295
            message = (u'A checker has failed! Time until client'
 
296
                       u' gets disabled: %s'
 
297
                           % unicode(timer).rsplit(".", 1)[0])
287
298
        else:
288
 
            message = "enabled"
289
 
            self.using_timer(False)
290
 
        self._text = "{}{}".format(base, message)
291
 
        
 
299
            message = u"enabled"
 
300
        self._text = "%s%s" % (base, message)
 
301
            
292
302
        if not urwid.supports_unicode():
293
303
            self._text = self._text.encode("ascii", "replace")
294
 
        textlist = [("normal", self._text)]
 
304
        textlist = [(u"normal", self._text)]
295
305
        self._text_widget.set_text(textlist)
296
306
        self._focus_text_widget.set_text([(with_standout[text[0]],
297
307
                                           text[1])
306
316
            self.update_hook()
307
317
    
308
318
    def update_timer(self):
309
 
        """called by GLib. Will indefinitely loop until
310
 
        GLib.source_remove() on tag is called
311
 
        """
 
319
        "called by gobject"
312
320
        self.update()
313
321
        return True             # Keep calling this
314
322
    
315
 
    def delete(self, **kwargs):
 
323
    def delete(self):
316
324
        if self._update_timer_callback_tag is not None:
317
 
            GLib.source_remove(self._update_timer_callback_tag)
 
325
            gobject.source_remove(self._update_timer_callback_tag)
318
326
            self._update_timer_callback_tag = None
319
 
        for match in self.match_objects:
320
 
            match.remove()
321
 
        self.match_objects = ()
322
327
        if self.delete_hook is not None:
323
328
            self.delete_hook(self)
324
 
        return super(MandosClientWidget, self).delete(**kwargs)
325
329
    
326
 
    def render(self, maxcolrow, focus=False):
 
330
    def render(self, (maxcol,), focus=False):
327
331
        """Render differently if we have focus.
328
332
        This overrides the method from urwid.FlowWidget"""
329
 
        return self.current_widget(focus).render(maxcolrow,
 
333
        return self.current_widget(focus).render((maxcol,),
330
334
                                                 focus=focus)
331
335
    
332
 
    def keypress(self, maxcolrow, key):
 
336
    def keypress(self, (maxcol,), key):
333
337
        """Handle keys.
334
338
        This overrides the method from urwid.FlowWidget"""
335
 
        if key == "+":
336
 
            self.proxy.Set(client_interface, "Enabled",
337
 
                           dbus.Boolean(True), ignore_reply = True,
338
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
339
 
        elif key == "-":
340
 
            self.proxy.Set(client_interface, "Enabled", False,
341
 
                           ignore_reply = True,
342
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
343
 
        elif key == "a":
 
339
        if key == u"+":
 
340
            self.proxy.Enable(dbus_interface = client_interface)
 
341
        elif key == u"-":
 
342
            self.proxy.Disable(dbus_interface = client_interface)
 
343
        elif key == u"a":
344
344
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
345
 
                               dbus_interface = client_interface,
346
 
                               ignore_reply=True)
347
 
        elif key == "d":
 
345
                               dbus_interface = client_interface)
 
346
        elif key == u"d":
348
347
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
349
 
                                  dbus_interface = client_interface,
350
 
                               ignore_reply=True)
351
 
        elif key == "R" or key == "_" or key == "ctrl k":
 
348
                                  dbus_interface = client_interface)
 
349
        elif key == u"r" or key == u"_" or key == u"ctrl k":
352
350
            self.server_proxy_object.RemoveClient(self.proxy
353
 
                                                  .object_path,
354
 
                                                  ignore_reply=True)
355
 
        elif key == "s":
356
 
            self.proxy.Set(client_interface, "CheckerRunning",
357
 
                           dbus.Boolean(True), ignore_reply = True,
358
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
359
 
        elif key == "S":
360
 
            self.proxy.Set(client_interface, "CheckerRunning",
361
 
                           dbus.Boolean(False), ignore_reply = True,
362
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
363
 
        elif key == "C":
364
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
365
 
                                 ignore_reply=True)
 
351
                                                  .object_path)
 
352
        elif key == u"s":
 
353
            self.proxy.StartChecker(dbus_interface = client_interface)
 
354
        elif key == u"S":
 
355
            self.proxy.StopChecker(dbus_interface = client_interface)
 
356
        elif key == u"C":
 
357
            self.proxy.CheckedOK(dbus_interface = client_interface)
366
358
        # xxx
367
 
#         elif key == "p" or key == "=":
 
359
#         elif key == u"p" or key == "=":
368
360
#             self.proxy.pause()
369
 
#         elif key == "u" or key == ":":
 
361
#         elif key == u"u" or key == ":":
370
362
#             self.proxy.unpause()
371
 
#         elif key == "RET":
 
363
#         elif key == u"RET":
372
364
#             self.open()
373
365
        else:
374
366
            return key
375
367
    
376
 
    def properties_changed(self, interface, properties, invalidated):
377
 
        """Call self.update() if any properties changed.
 
368
    def property_changed(self, property=None, value=None,
 
369
                         *args, **kwargs):
 
370
        """Call self.update() if old value is not new value.
378
371
        This overrides the method from MandosClientPropertyCache"""
379
 
        old_values = { key: self.properties.get(key)
380
 
                       for key in properties.keys() }
381
 
        super(MandosClientWidget, self).properties_changed(
382
 
            interface, properties, invalidated)
383
 
        if any(old_values[key] != self.properties.get(key)
384
 
               for key in old_values):
 
372
        property_name = unicode(property)
 
373
        old_value = self.properties.get(property_name)
 
374
        super(MandosClientWidget, self).property_changed(
 
375
            property=property, value=value, *args, **kwargs)
 
376
        if self.properties.get(property_name) != old_value:
385
377
            self.update()
386
378
 
387
379
 
390
382
    "down" key presses, thus not allowing any containing widgets to
391
383
    use them as an excuse to shift focus away from this widget.
392
384
    """
393
 
    def keypress(self, *args, **kwargs):
394
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
395
 
        if ret in ("up", "down"):
 
385
    def keypress(self, (maxcol, maxrow), key):
 
386
        ret = super(ConstrainedListBox, self).keypress((maxcol,
 
387
                                                        maxrow), key)
 
388
        if ret in (u"up", u"down"):
396
389
            return
397
390
        return ret
398
391
 
401
394
    """This is the entire user interface - the whole screen
402
395
    with boxes, lists of client widgets, etc.
403
396
    """
404
 
    def __init__(self, max_log_length=1000, log_level=1):
 
397
    def __init__(self, max_log_length=1000):
405
398
        DBusGMainLoop(set_as_default=True)
406
399
        
407
400
        self.screen = urwid.curses_display.Screen()
408
401
        
409
402
        self.screen.register_palette((
410
 
                ("normal",
411
 
                 "default", "default", None),
412
 
                ("bold",
413
 
                 "bold", "default", "bold"),
414
 
                ("underline-blink",
415
 
                 "underline,blink", "default", "underline,blink"),
416
 
                ("standout",
417
 
                 "standout", "default", "standout"),
418
 
                ("bold-underline-blink",
419
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
420
 
                ("bold-standout",
421
 
                 "bold,standout", "default", "bold,standout"),
422
 
                ("underline-blink-standout",
423
 
                 "underline,blink,standout", "default",
424
 
                 "underline,blink,standout"),
425
 
                ("bold-underline-blink-standout",
426
 
                 "bold,underline,blink,standout", "default",
427
 
                 "bold,underline,blink,standout"),
 
403
                (u"normal",
 
404
                 u"default", u"default", None),
 
405
                (u"bold",
 
406
                 u"default", u"default", u"bold"),
 
407
                (u"underline-blink",
 
408
                 u"default", u"default", u"underline"),
 
409
                (u"standout",
 
410
                 u"default", u"default", u"standout"),
 
411
                (u"bold-underline-blink",
 
412
                 u"default", u"default", (u"bold", u"underline")),
 
413
                (u"bold-standout",
 
414
                 u"default", u"default", (u"bold", u"standout")),
 
415
                (u"underline-blink-standout",
 
416
                 u"default", u"default", (u"underline", u"standout")),
 
417
                (u"bold-underline-blink-standout",
 
418
                 u"default", u"default", (u"bold", u"underline",
 
419
                                          u"standout")),
428
420
                ))
429
421
        
430
422
        if urwid.supports_unicode():
431
 
            self.divider = "─" # \u2500
432
 
            #self.divider = "━" # \u2501
 
423
            self.divider = u"─" # \u2500
 
424
            #self.divider = u"━" # \u2501
433
425
        else:
434
 
            #self.divider = "-" # \u002d
435
 
            self.divider = "_" # \u005f
 
426
            #self.divider = u"-" # \u002d
 
427
            self.divider = u"_" # \u005f
436
428
        
437
429
        self.screen.start()
438
430
        
445
437
        self.log = []
446
438
        self.max_log_length = max_log_length
447
439
        
448
 
        self.log_level = log_level
449
 
        
450
440
        # We keep a reference to the log widget so we can remove it
451
441
        # from the ListWalker without it getting destroyed
452
442
        self.logbox = ConstrainedListBox(self.log)
454
444
        # This keeps track of whether self.uilist currently has
455
445
        # self.logbox in it or not
456
446
        self.log_visible = True
457
 
        self.log_wrap = "any"
 
447
        self.log_wrap = u"any"
458
448
        
459
449
        self.rebuild()
460
 
        self.log_message_raw(("bold",
461
 
                              "Mandos Monitor version " + version))
462
 
        self.log_message_raw(("bold",
463
 
                              "q: Quit  ?: Help"))
 
450
        self.log_message_raw((u"bold",
 
451
                              u"Mandos Monitor version " + version))
 
452
        self.log_message_raw((u"bold",
 
453
                              u"q: Quit  ?: Help"))
464
454
        
465
455
        self.busname = domain + '.Mandos'
466
 
        self.main_loop = GLib.MainLoop()
 
456
        self.main_loop = gobject.MainLoop()
 
457
        self.bus = dbus.SystemBus()
 
458
        mandos_dbus_objc = self.bus.get_object(
 
459
            self.busname, u"/", follow_name_owner_changes=True)
 
460
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
461
                                          dbus_interface
 
462
                                          = server_interface)
 
463
        try:
 
464
            mandos_clients = (self.mandos_serv
 
465
                              .GetAllClientsWithProperties())
 
466
        except dbus.exceptions.DBusException:
 
467
            mandos_clients = dbus.Dictionary()
 
468
        
 
469
        (self.mandos_serv
 
470
         .connect_to_signal(u"ClientRemoved",
 
471
                            self.find_and_remove_client,
 
472
                            dbus_interface=server_interface,
 
473
                            byte_arrays=True))
 
474
        (self.mandos_serv
 
475
         .connect_to_signal(u"ClientAdded",
 
476
                            self.add_new_client,
 
477
                            dbus_interface=server_interface,
 
478
                            byte_arrays=True))
 
479
        (self.mandos_serv
 
480
         .connect_to_signal(u"ClientNotFound",
 
481
                            self.client_not_found,
 
482
                            dbus_interface=server_interface,
 
483
                            byte_arrays=True))
 
484
        for path, client in mandos_clients.iteritems():
 
485
            client_proxy_object = self.bus.get_object(self.busname,
 
486
                                                      path)
 
487
            self.add_client(MandosClientWidget(server_proxy_object
 
488
                                               =self.mandos_serv,
 
489
                                               proxy_object
 
490
                                               =client_proxy_object,
 
491
                                               properties=client,
 
492
                                               update_hook
 
493
                                               =self.refresh,
 
494
                                               delete_hook
 
495
                                               =self.remove_client,
 
496
                                               logger
 
497
                                               =self.log_message),
 
498
                            path=path)
467
499
    
468
500
    def client_not_found(self, fingerprint, address):
469
 
        self.log_message("Client with address {} and fingerprint {}"
470
 
                         " could not be found"
471
 
                         .format(address, fingerprint))
 
501
        self.log_message((u"Client with address %s and fingerprint %s"
 
502
                          u" could not be found" % (address,
 
503
                                                    fingerprint)))
472
504
    
473
505
    def rebuild(self):
474
506
        """This rebuilds the User Interface.
484
516
                                                     self.divider)))
485
517
        if self.log_visible:
486
518
            self.uilist.append(self.logbox)
 
519
            pass
487
520
        self.topwidget = urwid.Pile(self.uilist)
488
521
    
489
 
    def log_message(self, message, level=1):
490
 
        """Log message formatted with timestamp"""
491
 
        if level < self.log_level:
492
 
            return
 
522
    def log_message(self, message):
493
523
        timestamp = datetime.datetime.now().isoformat()
494
 
        self.log_message_raw("{}: {}".format(timestamp, message),
495
 
                             level=level)
 
524
        self.log_message_raw(timestamp + u": " + message)
496
525
    
497
 
    def log_message_raw(self, markup, level=1):
 
526
    def log_message_raw(self, markup):
498
527
        """Add a log message to the log buffer."""
499
 
        if level < self.log_level:
500
 
            return
501
528
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
502
529
        if (self.max_log_length
503
530
            and len(self.log) > self.max_log_length):
504
531
            del self.log[0:len(self.log)-self.max_log_length-1]
505
532
        self.logbox.set_focus(len(self.logbox.body.contents),
506
 
                              coming_from="above")
 
533
                              coming_from=u"above")
507
534
        self.refresh()
508
535
    
509
536
    def toggle_log_display(self):
510
537
        """Toggle visibility of the log buffer."""
511
538
        self.log_visible = not self.log_visible
512
539
        self.rebuild()
513
 
        self.log_message("Log visibility changed to: {}"
514
 
                         .format(self.log_visible), level=0)
 
540
        #self.log_message(u"Log visibility changed to: "
 
541
        #                 + unicode(self.log_visible))
515
542
    
516
543
    def change_log_display(self):
517
544
        """Change type of log display.
518
545
        Currently, this toggles wrapping of text lines."""
519
 
        if self.log_wrap == "clip":
520
 
            self.log_wrap = "any"
 
546
        if self.log_wrap == u"clip":
 
547
            self.log_wrap = u"any"
521
548
        else:
522
 
            self.log_wrap = "clip"
 
549
            self.log_wrap = u"clip"
523
550
        for textwidget in self.log:
524
551
            textwidget.set_wrap_mode(self.log_wrap)
525
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
526
 
                         level=0)
 
552
        #self.log_message(u"Wrap mode: " + self.log_wrap)
527
553
    
528
 
    def find_and_remove_client(self, path, interfaces):
529
 
        """Find a client by its object path and remove it.
 
554
    def find_and_remove_client(self, path, name):
 
555
        """Find an client from its object path and remove it.
530
556
        
531
 
        This is connected to the InterfacesRemoved signal from the
 
557
        This is connected to the ClientRemoved signal from the
532
558
        Mandos server object."""
533
 
        if client_interface not in interfaces:
534
 
            # Not a Mandos client object; ignore
535
 
            return
536
559
        try:
537
560
            client = self.clients_dict[path]
538
561
        except KeyError:
539
562
            # not found?
540
 
            self.log_message("Unknown client {!r} removed"
541
 
                             .format(path))
542
563
            return
543
 
        client.delete()
 
564
        self.remove_client(client, path)
544
565
    
545
 
    def add_new_client(self, path, ifs_and_props):
546
 
        """Find a client by its object path and remove it.
547
 
        
548
 
        This is connected to the InterfacesAdded signal from the
549
 
        Mandos server object.
550
 
        """
551
 
        if client_interface not in ifs_and_props:
552
 
            # Not a Mandos client object; ignore
553
 
            return
 
566
    def add_new_client(self, path):
554
567
        client_proxy_object = self.bus.get_object(self.busname, path)
555
568
        self.add_client(MandosClientWidget(server_proxy_object
556
569
                                           =self.mandos_serv,
561
574
                                           delete_hook
562
575
                                           =self.remove_client,
563
576
                                           logger
564
 
                                           =self.log_message,
565
 
                                           properties
566
 
                                           = dict(ifs_and_props[
567
 
                                               client_interface])),
 
577
                                           =self.log_message),
568
578
                        path=path)
569
579
    
570
580
    def add_client(self, client, path=None):
572
582
        if path is None:
573
583
            path = client.proxy.object_path
574
584
        self.clients_dict[path] = client
575
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
585
        self.clients.sort(None, lambda c: c.properties[u"Name"])
576
586
        self.refresh()
577
587
    
578
588
    def remove_client(self, client, path=None):
580
590
        if path is None:
581
591
            path = client.proxy.object_path
582
592
        del self.clients_dict[path]
 
593
        if not self.clients_dict:
 
594
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
595
            # is completely emptied, we need to recreate it.
 
596
            self.clients = urwid.SimpleListWalker([])
 
597
            self.rebuild()
583
598
        self.refresh()
584
599
    
585
600
    def refresh(self):
589
604
    
590
605
    def run(self):
591
606
        """Start the main loop and exit when it's done."""
592
 
        self.bus = dbus.SystemBus()
593
 
        mandos_dbus_objc = self.bus.get_object(
594
 
            self.busname, "/", follow_name_owner_changes=True)
595
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
596
 
                                          dbus_interface
597
 
                                          = server_interface)
598
 
        try:
599
 
            mandos_clients = (self.mandos_serv
600
 
                              .GetAllClientsWithProperties())
601
 
            if not mandos_clients:
602
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
603
 
        except dbus.exceptions.DBusException:
604
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
605
 
            mandos_clients = dbus.Dictionary()
606
 
        
607
 
        (self.mandos_serv
608
 
         .connect_to_signal("InterfacesRemoved",
609
 
                            self.find_and_remove_client,
610
 
                            dbus_interface
611
 
                            = dbus.OBJECT_MANAGER_IFACE,
612
 
                            byte_arrays=True))
613
 
        (self.mandos_serv
614
 
         .connect_to_signal("InterfacesAdded",
615
 
                            self.add_new_client,
616
 
                            dbus_interface
617
 
                            = dbus.OBJECT_MANAGER_IFACE,
618
 
                            byte_arrays=True))
619
 
        (self.mandos_serv
620
 
         .connect_to_signal("ClientNotFound",
621
 
                            self.client_not_found,
622
 
                            dbus_interface=server_interface,
623
 
                            byte_arrays=True))
624
 
        for path, client in mandos_clients.items():
625
 
            client_proxy_object = self.bus.get_object(self.busname,
626
 
                                                      path)
627
 
            self.add_client(MandosClientWidget(server_proxy_object
628
 
                                               =self.mandos_serv,
629
 
                                               proxy_object
630
 
                                               =client_proxy_object,
631
 
                                               properties=client,
632
 
                                               update_hook
633
 
                                               =self.refresh,
634
 
                                               delete_hook
635
 
                                               =self.remove_client,
636
 
                                               logger
637
 
                                               =self.log_message),
638
 
                            path=path)
639
 
        
640
607
        self.refresh()
641
 
        self._input_callback_tag = (GLib.io_add_watch
 
608
        self._input_callback_tag = (gobject.io_add_watch
642
609
                                    (sys.stdin.fileno(),
643
 
                                     GLib.IO_IN,
 
610
                                     gobject.IO_IN,
644
611
                                     self.process_input))
645
612
        self.main_loop.run()
646
613
        # Main loop has finished, we should close everything now
647
 
        GLib.source_remove(self._input_callback_tag)
 
614
        gobject.source_remove(self._input_callback_tag)
648
615
        self.screen.stop()
649
616
    
650
617
    def stop(self):
652
619
    
653
620
    def process_input(self, source, condition):
654
621
        keys = self.screen.get_input()
655
 
        translations = { "ctrl n": "down",      # Emacs
656
 
                         "ctrl p": "up",        # Emacs
657
 
                         "ctrl v": "page down", # Emacs
658
 
                         "meta v": "page up",   # Emacs
659
 
                         " ": "page down",      # less
660
 
                         "f": "page down",      # less
661
 
                         "b": "page up",        # less
662
 
                         "j": "down",           # vi
663
 
                         "k": "up",             # vi
 
622
        translations = { u"ctrl n": u"down",      # Emacs
 
623
                         u"ctrl p": u"up",        # Emacs
 
624
                         u"ctrl v": u"page down", # Emacs
 
625
                         u"meta v": u"page up",   # Emacs
 
626
                         u" ": u"page down",      # less
 
627
                         u"f": u"page down",      # less
 
628
                         u"b": u"page up",        # less
 
629
                         u"j": u"down",           # vi
 
630
                         u"k": u"up",             # vi
664
631
                         }
665
632
        for key in keys:
666
633
            try:
668
635
            except KeyError:    # :-)
669
636
                pass
670
637
            
671
 
            if key == "q" or key == "Q":
 
638
            if key == u"q" or key == u"Q":
672
639
                self.stop()
673
640
                break
674
 
            elif key == "window resize":
 
641
            elif key == u"window resize":
675
642
                self.size = self.screen.get_cols_rows()
676
643
                self.refresh()
677
 
            elif key == "ctrl l":
678
 
                self.screen.clear()
 
644
            elif key == u"\f":  # Ctrl-L
679
645
                self.refresh()
680
 
            elif key == "l" or key == "D":
 
646
            elif key == u"l" or key == u"D":
681
647
                self.toggle_log_display()
682
648
                self.refresh()
683
 
            elif key == "w" or key == "i":
 
649
            elif key == u"w" or key == u"i":
684
650
                self.change_log_display()
685
651
                self.refresh()
686
 
            elif key == "?" or key == "f1" or key == "esc":
 
652
            elif key == u"?" or key == u"f1" or key == u"esc":
687
653
                if not self.log_visible:
688
654
                    self.log_visible = True
689
655
                    self.rebuild()
690
 
                self.log_message_raw(("bold",
691
 
                                      "  ".
692
 
                                      join(("q: Quit",
693
 
                                            "?: Help",
694
 
                                            "l: Log window toggle",
695
 
                                            "TAB: Switch window",
696
 
                                            "w: Wrap (log lines)",
697
 
                                            "v: Toggle verbose log",
698
 
                                            ))))
699
 
                self.log_message_raw(("bold",
700
 
                                      "  "
701
 
                                      .join(("Clients:",
702
 
                                             "+: Enable",
703
 
                                             "-: Disable",
704
 
                                             "R: Remove",
705
 
                                             "s: Start new checker",
706
 
                                             "S: Stop checker",
707
 
                                             "C: Checker OK",
708
 
                                             "a: Approve",
709
 
                                             "d: Deny"))))
 
656
                self.log_message_raw((u"bold",
 
657
                                      u"  ".
 
658
                                      join((u"q: Quit",
 
659
                                            u"?: Help",
 
660
                                            u"l: Log window toggle",
 
661
                                            u"TAB: Switch window",
 
662
                                            u"w: Wrap (log)"))))
 
663
                self.log_message_raw((u"bold",
 
664
                                      u"  "
 
665
                                      .join((u"Clients:",
 
666
                                             u"+: Enable",
 
667
                                             u"-: Disable",
 
668
                                             u"r: Remove",
 
669
                                             u"s: Start new checker",
 
670
                                             u"S: Stop checker",
 
671
                                             u"C: Checker OK",
 
672
                                             u"a: Approve",
 
673
                                             u"d: Deny"))))
710
674
                self.refresh()
711
 
            elif key == "tab":
 
675
            elif key == u"tab":
712
676
                if self.topwidget.get_focus() is self.logbox:
713
677
                    self.topwidget.set_focus(0)
714
678
                else:
715
679
                    self.topwidget.set_focus(self.logbox)
716
680
                self.refresh()
717
 
            elif key == "v":
718
 
                if self.log_level == 0:
719
 
                    self.log_level = 1
720
 
                    self.log_message("Verbose mode: Off")
721
 
                else:
722
 
                    self.log_level = 0
723
 
                    self.log_message("Verbose mode: On")
724
 
            #elif (key == "end" or key == "meta >" or key == "G"
725
 
            #      or key == ">"):
 
681
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
682
            #      or key == u">"):
726
683
            #    pass            # xxx end-of-buffer
727
 
            #elif (key == "home" or key == "meta <" or key == "g"
728
 
            #      or key == "<"):
 
684
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
685
            #      or key == u"<"):
729
686
            #    pass            # xxx beginning-of-buffer
730
 
            #elif key == "ctrl e" or key == "$":
 
687
            #elif key == u"ctrl e" or key == u"$":
731
688
            #    pass            # xxx move-end-of-line
732
 
            #elif key == "ctrl a" or key == "^":
 
689
            #elif key == u"ctrl a" or key == u"^":
733
690
            #    pass            # xxx move-beginning-of-line
734
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
691
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
735
692
            #    pass            # xxx left
736
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
693
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
737
694
            #    pass            # xxx right
738
 
            #elif key == "a":
 
695
            #elif key == u"a":
739
696
            #    pass            # scroll up log
740
 
            #elif key == "z":
 
697
            #elif key == u"z":
741
698
            #    pass            # scroll down log
742
699
            elif self.topwidget.selectable():
743
700
                self.topwidget.keypress(self.size, key)
749
706
    ui.run()
750
707
except KeyboardInterrupt:
751
708
    ui.screen.stop()
752
 
except Exception as e:
753
 
    ui.log_message(str(e))
 
709
except Exception, e:
 
710
    ui.log_message(unicode(e))
754
711
    ui.screen.stop()
755
712
    raise