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* debian/mandos-client.postrm (purge): Bug fix: update initramfs also
                                       on purge.
* mandos (MultiprocessingMixInWithPipe.add_pipe): raise
                                                  NotImplementedError.
  (string_to_delta): Don't use message attribute of exception.

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mandos-monitor
3
3
# 
4
4
# Mandos Monitor - Control and monitor the Mandos server
5
5
# 
6
 
# Copyright © 2009-2014 Teddy Hogeborn
7
 
# Copyright © 2009-2014 Björn Påhlsson
 
6
# Copyright © 2009,2010 Teddy Hogeborn
 
7
# Copyright © 2009,2010 Björn Påhlsson
8
8
# 
9
9
# This program is free software: you can redistribute it and/or modify
10
10
# it under the terms of the GNU General Public License as published by
17
17
#     GNU General Public License for more details.
18
18
# 
19
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/>.
 
20
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
22
21
# 
23
 
# Contact the authors at <mandos@recompile.se>.
 
22
# Contact the authors at <mandos@fukt.bsnet.se>.
24
23
# 
25
24
 
26
 
from __future__ import (division, absolute_import, print_function,
27
 
                        unicode_literals)
28
 
try:
29
 
    from future_builtins import *
30
 
except ImportError:
31
 
    pass
 
25
from __future__ import division, absolute_import, with_statement
32
26
 
33
27
import sys
34
28
import os
 
29
import signal
35
30
 
36
31
import datetime
37
32
 
39
34
import urwid
40
35
 
41
36
from dbus.mainloop.glib import DBusGMainLoop
42
 
try:
43
 
    import gobject
44
 
except ImportError:
45
 
    from gi.repository import GObject as gobject
 
37
import gobject
46
38
 
47
39
import dbus
48
40
 
 
41
import UserList
 
42
 
49
43
import locale
50
44
 
51
 
if sys.version_info[0] == 2:
52
 
    str = unicode
53
 
 
54
 
locale.setlocale(locale.LC_ALL, '')
 
45
locale.setlocale(locale.LC_ALL, u'')
55
46
 
56
47
import logging
57
48
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
58
49
 
59
50
# Some useful constants
60
 
domain = 'se.recompile'
 
51
domain = 'se.bsnet.fukt'
61
52
server_interface = domain + '.Mandos'
62
53
client_interface = domain + '.Mandos.Client'
63
 
version = "1.6.6"
 
54
version = "1.2.3"
 
55
 
 
56
# Always run in monochrome mode
 
57
urwid.curses_display.curses.has_colors = lambda : False
 
58
 
 
59
# Urwid doesn't support blinking, but we want it.  Since we have no
 
60
# use for underline on its own, we make underline also always blink.
 
61
urwid.curses_display.curses.A_UNDERLINE |= (
 
62
    urwid.curses_display.curses.A_BLINK)
64
63
 
65
64
def isoformat_to_datetime(iso):
66
65
    "Parse an ISO 8601 date string to a datetime.datetime()"
67
66
    if not iso:
68
67
        return None
69
 
    d, t = iso.split("T", 1)
70
 
    year, month, day = d.split("-", 2)
71
 
    hour, minute, second = t.split(":", 2)
 
68
    d, t = iso.split(u"T", 1)
 
69
    year, month, day = d.split(u"-", 2)
 
70
    hour, minute, second = t.split(u":", 2)
72
71
    second, fraction = divmod(float(second), 1)
73
72
    return datetime.datetime(int(year),
74
73
                             int(month),
83
82
    properties and calls a hook function when any of them are
84
83
    changed.
85
84
    """
86
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
85
    def __init__(self, proxy_object=None, *args, **kwargs):
87
86
        self.proxy = proxy_object # Mandos Client proxy object
88
 
        self.properties = dict() if properties is None else properties
89
 
        self.property_changed_match = (
90
 
            self.proxy.connect_to_signal("PropertyChanged",
91
 
                                         self._property_changed,
92
 
                                         client_interface,
93
 
                                         byte_arrays=True))
94
 
        
95
 
        if properties is None:
96
 
            self.properties.update(
97
 
                self.proxy.GetAll(client_interface,
98
 
                                  dbus_interface
99
 
                                  = dbus.PROPERTIES_IFACE))
100
 
        
101
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
102
 
    
103
 
    def _property_changed(self, property, value):
104
 
        """Helper which takes positional arguments"""
105
 
        return self.property_changed(property=property, value=value)
 
87
        
 
88
        self.properties = dict()
 
89
        self.proxy.connect_to_signal(u"PropertyChanged",
 
90
                                     self.property_changed,
 
91
                                     client_interface,
 
92
                                     byte_arrays=True)
 
93
        
 
94
        self.properties.update(
 
95
            self.proxy.GetAll(client_interface,
 
96
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
97
 
 
98
        #XXX This break good super behaviour!
 
99
#        super(MandosClientPropertyCache, self).__init__(
 
100
#            *args, **kwargs)
106
101
    
107
102
    def property_changed(self, property=None, value=None):
108
103
        """This is called whenever we get a PropertyChanged signal
110
105
        """
111
106
        # Update properties dict with new value
112
107
        self.properties[property] = value
113
 
    
114
 
    def delete(self):
115
 
        self.property_changed_match.remove()
116
108
 
117
109
 
118
110
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
120
112
    """
121
113
    
122
114
    def __init__(self, server_proxy_object=None, update_hook=None,
123
 
                 delete_hook=None, logger=None, **kwargs):
 
115
                 delete_hook=None, logger=None, *args, **kwargs):
124
116
        # Called on update
125
117
        self.update_hook = update_hook
126
118
        # Called on delete
131
123
        self.logger = logger
132
124
        
133
125
        self._update_timer_callback_tag = None
 
126
        self._update_timer_callback_lock = 0
 
127
        self.last_checker_failed = False
134
128
        
135
129
        # The widget shown normally
136
 
        self._text_widget = urwid.Text("")
 
130
        self._text_widget = urwid.Text(u"")
137
131
        # The widget shown when we have focus
138
 
        self._focus_text_widget = urwid.Text("")
139
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
132
        self._focus_text_widget = urwid.Text(u"")
 
133
        super(MandosClientWidget, self).__init__(
 
134
            update_hook=update_hook, delete_hook=delete_hook,
 
135
            *args, **kwargs)
140
136
        self.update()
141
137
        self.opened = False
142
138
        
143
 
        self.match_objects = (
144
 
            self.proxy.connect_to_signal("CheckerCompleted",
145
 
                                         self.checker_completed,
146
 
                                         client_interface,
147
 
                                         byte_arrays=True),
148
 
            self.proxy.connect_to_signal("CheckerStarted",
149
 
                                         self.checker_started,
150
 
                                         client_interface,
151
 
                                         byte_arrays=True),
152
 
            self.proxy.connect_to_signal("GotSecret",
153
 
                                         self.got_secret,
154
 
                                         client_interface,
155
 
                                         byte_arrays=True),
156
 
            self.proxy.connect_to_signal("NeedApproval",
157
 
                                         self.need_approval,
158
 
                                         client_interface,
159
 
                                         byte_arrays=True),
160
 
            self.proxy.connect_to_signal("Rejected",
161
 
                                         self.rejected,
162
 
                                         client_interface,
163
 
                                         byte_arrays=True))
164
 
        self.logger('Created client {0}'
165
 
                    .format(self.properties["Name"]), level=0)
 
139
        last_checked_ok = isoformat_to_datetime(self.properties
 
140
                                                [u"LastCheckedOK"])
 
141
        if last_checked_ok is None:
 
142
            self.last_checker_failed = True
 
143
        else:
 
144
            self.last_checker_failed = ((datetime.datetime.utcnow()
 
145
                                         - last_checked_ok)
 
146
                                        > datetime.timedelta
 
147
                                        (milliseconds=
 
148
                                         self.properties
 
149
                                         [u"Interval"]))
 
150
        
 
151
        if self.last_checker_failed:
 
152
            self.using_timer(True)
 
153
        
 
154
        if self.need_approval:
 
155
            self.using_timer(True)
 
156
        
 
157
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
158
                                     self.checker_completed,
 
159
                                     client_interface,
 
160
                                     byte_arrays=True)
 
161
        self.proxy.connect_to_signal(u"CheckerStarted",
 
162
                                     self.checker_started,
 
163
                                     client_interface,
 
164
                                     byte_arrays=True)
 
165
        self.proxy.connect_to_signal(u"GotSecret",
 
166
                                     self.got_secret,
 
167
                                     client_interface,
 
168
                                     byte_arrays=True)
 
169
        self.proxy.connect_to_signal(u"NeedApproval",
 
170
                                     self.need_approval,
 
171
                                     client_interface,
 
172
                                     byte_arrays=True)
 
173
        self.proxy.connect_to_signal(u"Rejected",
 
174
                                     self.rejected,
 
175
                                     client_interface,
 
176
                                     byte_arrays=True)
166
177
    
 
178
    def property_changed(self, property=None, value=None):
 
179
        super(self, MandosClientWidget).property_changed(property,
 
180
                                                         value)
 
181
        if property == u"ApprovalPending":
 
182
            using_timer(bool(value))
 
183
        
167
184
    def using_timer(self, flag):
168
185
        """Call this method with True or False when timer should be
169
186
        activated or deactivated.
170
187
        """
171
 
        if flag and self._update_timer_callback_tag is None:
172
 
            # Will update the shown timer value every second
 
188
        old = self._update_timer_callback_lock
 
189
        if flag:
 
190
            self._update_timer_callback_lock += 1
 
191
        else:
 
192
            self._update_timer_callback_lock -= 1
 
193
        if old == 0 and self._update_timer_callback_lock:
173
194
            self._update_timer_callback_tag = (gobject.timeout_add
174
195
                                               (1000,
175
196
                                                self.update_timer))
176
 
        elif not (flag or self._update_timer_callback_tag is None):
 
197
        elif old and self._update_timer_callback_lock == 0:
177
198
            gobject.source_remove(self._update_timer_callback_tag)
178
199
            self._update_timer_callback_tag = None
179
200
    
180
201
    def checker_completed(self, exitstatus, condition, command):
181
202
        if exitstatus == 0:
182
 
            self.logger('Checker for client {0} (command "{1}")'
183
 
                        ' succeeded'.format(self.properties["Name"],
184
 
                                            command), level=0)
 
203
            if self.last_checker_failed:
 
204
                self.last_checker_failed = False
 
205
                self.using_timer(False)
 
206
            #self.logger(u'Checker for client %s (command "%s")'
 
207
            #            u' was successful'
 
208
            #            % (self.properties[u"Name"], command))
185
209
            self.update()
186
210
            return
187
211
        # Checker failed
 
212
        if not self.last_checker_failed:
 
213
            self.last_checker_failed = True
 
214
            self.using_timer(True)
188
215
        if os.WIFEXITED(condition):
189
 
            self.logger('Checker for client {0} (command "{1}")'
190
 
                        ' failed with exit code {2}'
191
 
                        .format(self.properties["Name"], command,
192
 
                                os.WEXITSTATUS(condition)))
 
216
            self.logger(u'Checker for client %s (command "%s")'
 
217
                        u' failed with exit code %s'
 
218
                        % (self.properties[u"Name"], command,
 
219
                           os.WEXITSTATUS(condition)))
193
220
        elif os.WIFSIGNALED(condition):
194
 
            self.logger('Checker for client {0} (command "{1}") was'
195
 
                        ' killed by signal {2}'
196
 
                        .format(self.properties["Name"], command,
197
 
                                os.WTERMSIG(condition)))
 
221
            self.logger(u'Checker for client %s (command "%s")'
 
222
                        u' was killed by signal %s'
 
223
                        % (self.properties[u"Name"], command,
 
224
                           os.WTERMSIG(condition)))
198
225
        elif os.WCOREDUMP(condition):
199
 
            self.logger('Checker for client {0} (command "{1}")'
200
 
                        ' dumped core'
201
 
                        .format(self.properties["Name"], command))
 
226
            self.logger(u'Checker for client %s (command "%s")'
 
227
                        u' dumped core'
 
228
                        % (self.properties[u"Name"], command))
202
229
        else:
203
 
            self.logger('Checker for client {0} completed'
204
 
                        ' mysteriously'
205
 
                        .format(self.properties["Name"]))
 
230
            self.logger(u'Checker for client %s completed'
 
231
                        u' mysteriously')
206
232
        self.update()
207
233
    
208
234
    def checker_started(self, command):
209
 
        """Server signals that a checker started."""
210
 
        self.logger('Client {0} started checker "{1}"'
211
 
                    .format(self.properties["Name"],
212
 
                            command), level=0)
 
235
        #self.logger(u'Client %s started checker "%s"'
 
236
        #            % (self.properties[u"Name"], unicode(command)))
 
237
        pass
213
238
    
214
239
    def got_secret(self):
215
 
        self.logger('Client {0} received its secret'
216
 
                    .format(self.properties["Name"]))
 
240
        self.last_checker_failed = False
 
241
        self.logger(u'Client %s received its secret'
 
242
                    % self.properties[u"Name"])
217
243
    
218
244
    def need_approval(self, timeout, default):
219
245
        if not default:
220
 
            message = 'Client {0} needs approval within {1} seconds'
 
246
            message = u'Client %s needs approval within %s seconds'
221
247
        else:
222
 
            message = 'Client {0} will get its secret in {1} seconds'
223
 
        self.logger(message.format(self.properties["Name"],
224
 
                                   timeout/1000))
 
248
            message = u'Client %s will get its secret in %s seconds'
 
249
        self.logger(message
 
250
                    % (self.properties[u"Name"], timeout/1000))
 
251
        self.using_timer(True)
225
252
    
226
253
    def rejected(self, reason):
227
 
        self.logger('Client {0} was rejected; reason: {1}'
228
 
                    .format(self.properties["Name"], reason))
 
254
        self.logger(u'Client %s was rejected; reason: %s'
 
255
                    % (self.properties[u"Name"], reason))
229
256
    
230
257
    def selectable(self):
231
258
        """Make this a "selectable" widget.
232
259
        This overrides the method from urwid.FlowWidget."""
233
260
        return True
234
261
    
235
 
    def rows(self, maxcolrow, focus=False):
 
262
    def rows(self, (maxcol,), focus=False):
236
263
        """How many rows this widget will occupy might depend on
237
264
        whether we have focus or not.
238
265
        This overrides the method from urwid.FlowWidget"""
239
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
266
        return self.current_widget(focus).rows((maxcol,), focus=focus)
240
267
    
241
268
    def current_widget(self, focus=False):
242
269
        if focus or self.opened:
246
273
    def update(self):
247
274
        "Called when what is visible on the screen should be updated."
248
275
        # How to add standout mode to a style
249
 
        with_standout = { "normal": "standout",
250
 
                          "bold": "bold-standout",
251
 
                          "underline-blink":
252
 
                              "underline-blink-standout",
253
 
                          "bold-underline-blink":
254
 
                              "bold-underline-blink-standout",
 
276
        with_standout = { u"normal": u"standout",
 
277
                          u"bold": u"bold-standout",
 
278
                          u"underline-blink":
 
279
                              u"underline-blink-standout",
 
280
                          u"bold-underline-blink":
 
281
                              u"bold-underline-blink-standout",
255
282
                          }
256
 
        
 
283
 
257
284
        # Rebuild focus and non-focus widgets using current properties
258
 
        
 
285
 
259
286
        # Base part of a client. Name!
260
 
        base = '{name}: '.format(name=self.properties["Name"])
261
 
        if not self.properties["Enabled"]:
262
 
            message = "DISABLED"
263
 
            self.using_timer(False)
264
 
        elif self.properties["ApprovalPending"]:
 
287
        base = (u'%(name)s: '
 
288
                      % {u"name": self.properties[u"Name"]})
 
289
        if not self.properties[u"Enabled"]:
 
290
            message = u"DISABLED"
 
291
        elif self.properties[u"ApprovalPending"]:
265
292
            timeout = datetime.timedelta(milliseconds
266
293
                                         = self.properties
267
 
                                         ["ApprovalDelay"])
 
294
                                         [u"ApprovalDelay"])
268
295
            last_approval_request = isoformat_to_datetime(
269
 
                self.properties["LastApprovalRequest"])
 
296
                self.properties[u"LastApprovalRequest"])
270
297
            if last_approval_request is not None:
271
 
                timer = max(timeout - (datetime.datetime.utcnow()
272
 
                                       - last_approval_request),
273
 
                            datetime.timedelta())
 
298
                timer = timeout - (datetime.datetime.utcnow()
 
299
                                   - last_approval_request)
274
300
            else:
275
301
                timer = datetime.timedelta()
276
 
            if self.properties["ApprovedByDefault"]:
277
 
                message = "Approval in {0}. (d)eny?"
278
 
            else:
279
 
                message = "Denial in {0}. (a)pprove?"
280
 
            message = message.format(str(timer).rsplit(".", 1)[0])
281
 
            self.using_timer(True)
282
 
        elif self.properties["LastCheckerStatus"] != 0:
283
 
            # When checker has failed, show timer until client expires
284
 
            expires = self.properties["Expires"]
285
 
            if expires == "":
286
 
                timer = datetime.timedelta(0)
287
 
            else:
288
 
                expires = (datetime.datetime.strptime
289
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
290
 
                timer = max(expires - datetime.datetime.utcnow(),
291
 
                            datetime.timedelta())
292
 
            message = ('A checker has failed! Time until client'
293
 
                       ' gets disabled: {0}'
294
 
                       .format(str(timer).rsplit(".", 1)[0]))
295
 
            self.using_timer(True)
 
302
            if self.properties[u"ApprovedByDefault"]:
 
303
                message = u"Approval in %s. (d)eny?"
 
304
            else:
 
305
                message = u"Denial in %s. (a)pprove?"
 
306
            message = message % unicode(timer).rsplit(".", 1)[0]
 
307
        elif self.last_checker_failed:
 
308
            timeout = datetime.timedelta(milliseconds
 
309
                                         = self.properties
 
310
                                         [u"Timeout"])
 
311
            last_ok = isoformat_to_datetime(
 
312
                max((self.properties[u"LastCheckedOK"]
 
313
                     or self.properties[u"Created"]),
 
314
                    self.properties[u"LastEnabled"]))
 
315
            timer = timeout - (datetime.datetime.utcnow() - last_ok)
 
316
            message = (u'A checker has failed! Time until client'
 
317
                       u' gets disabled: %s'
 
318
                           % unicode(timer).rsplit(".", 1)[0])
296
319
        else:
297
 
            message = "enabled"
298
 
            self.using_timer(False)
299
 
        self._text = "{0}{1}".format(base, message)
300
 
        
 
320
            message = u"enabled"
 
321
        self._text = "%s%s" % (base, message)
 
322
            
301
323
        if not urwid.supports_unicode():
302
324
            self._text = self._text.encode("ascii", "replace")
303
 
        textlist = [("normal", self._text)]
 
325
        textlist = [(u"normal", self._text)]
304
326
        self._text_widget.set_text(textlist)
305
327
        self._focus_text_widget.set_text([(with_standout[text[0]],
306
328
                                           text[1])
315
337
            self.update_hook()
316
338
    
317
339
    def update_timer(self):
318
 
        """called by gobject. Will indefinitely loop until
319
 
        gobject.source_remove() on tag is called"""
 
340
        "called by gobject"
320
341
        self.update()
321
342
        return True             # Keep calling this
322
343
    
323
 
    def delete(self, **kwargs):
 
344
    def delete(self):
324
345
        if self._update_timer_callback_tag is not None:
325
346
            gobject.source_remove(self._update_timer_callback_tag)
326
347
            self._update_timer_callback_tag = None
327
 
        for match in self.match_objects:
328
 
            match.remove()
329
 
        self.match_objects = ()
330
348
        if self.delete_hook is not None:
331
349
            self.delete_hook(self)
332
 
        return super(MandosClientWidget, self).delete(**kwargs)
333
350
    
334
 
    def render(self, maxcolrow, focus=False):
 
351
    def render(self, (maxcol,), focus=False):
335
352
        """Render differently if we have focus.
336
353
        This overrides the method from urwid.FlowWidget"""
337
 
        return self.current_widget(focus).render(maxcolrow,
 
354
        return self.current_widget(focus).render((maxcol,),
338
355
                                                 focus=focus)
339
356
    
340
 
    def keypress(self, maxcolrow, key):
 
357
    def keypress(self, (maxcol,), key):
341
358
        """Handle keys.
342
359
        This overrides the method from urwid.FlowWidget"""
343
 
        if key == "+":
344
 
            self.proxy.Enable(dbus_interface = client_interface,
345
 
                              ignore_reply=True)
346
 
        elif key == "-":
347
 
            self.proxy.Disable(dbus_interface = client_interface,
348
 
                               ignore_reply=True)
349
 
        elif key == "a":
 
360
        if key == u"+":
 
361
            self.proxy.Enable(dbus_interface = client_interface)
 
362
        elif key == u"-":
 
363
            self.proxy.Disable(dbus_interface = client_interface)
 
364
        elif key == u"a":
350
365
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
351
 
                               dbus_interface = client_interface,
352
 
                               ignore_reply=True)
353
 
        elif key == "d":
 
366
                               dbus_interface = client_interface)
 
367
        elif key == u"d":
354
368
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
355
 
                                  dbus_interface = client_interface,
356
 
                               ignore_reply=True)
357
 
        elif key == "R" or key == "_" or key == "ctrl k":
 
369
                                  dbus_interface = client_interface)
 
370
        elif key == u"R" or key == u"_" or key == u"ctrl k":
358
371
            self.server_proxy_object.RemoveClient(self.proxy
359
 
                                                  .object_path,
360
 
                                                  ignore_reply=True)
361
 
        elif key == "s":
362
 
            self.proxy.StartChecker(dbus_interface = client_interface,
363
 
                                    ignore_reply=True)
364
 
        elif key == "S":
365
 
            self.proxy.StopChecker(dbus_interface = client_interface,
366
 
                                   ignore_reply=True)
367
 
        elif key == "C":
368
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
369
 
                                 ignore_reply=True)
 
372
                                                  .object_path)
 
373
        elif key == u"s":
 
374
            self.proxy.StartChecker(dbus_interface = client_interface)
 
375
        elif key == u"S":
 
376
            self.proxy.StopChecker(dbus_interface = client_interface)
 
377
        elif key == u"C":
 
378
            self.proxy.CheckedOK(dbus_interface = client_interface)
370
379
        # xxx
371
 
#         elif key == "p" or key == "=":
 
380
#         elif key == u"p" or key == "=":
372
381
#             self.proxy.pause()
373
 
#         elif key == "u" or key == ":":
 
382
#         elif key == u"u" or key == ":":
374
383
#             self.proxy.unpause()
375
 
#         elif key == "RET":
 
384
#         elif key == u"RET":
376
385
#             self.open()
377
386
        else:
378
387
            return key
379
388
    
380
 
    def property_changed(self, property=None, **kwargs):
 
389
    def property_changed(self, property=None, value=None,
 
390
                         *args, **kwargs):
381
391
        """Call self.update() if old value is not new value.
382
392
        This overrides the method from MandosClientPropertyCache"""
383
 
        property_name = str(property)
 
393
        property_name = unicode(property)
384
394
        old_value = self.properties.get(property_name)
385
395
        super(MandosClientWidget, self).property_changed(
386
 
            property=property, **kwargs)
 
396
            property=property, value=value, *args, **kwargs)
387
397
        if self.properties.get(property_name) != old_value:
388
398
            self.update()
389
399
 
393
403
    "down" key presses, thus not allowing any containing widgets to
394
404
    use them as an excuse to shift focus away from this widget.
395
405
    """
396
 
    def keypress(self, *args, **kwargs):
397
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
398
 
        if ret in ("up", "down"):
 
406
    def keypress(self, (maxcol, maxrow), key):
 
407
        ret = super(ConstrainedListBox, self).keypress((maxcol,
 
408
                                                        maxrow), key)
 
409
        if ret in (u"up", u"down"):
399
410
            return
400
411
        return ret
401
412
 
404
415
    """This is the entire user interface - the whole screen
405
416
    with boxes, lists of client widgets, etc.
406
417
    """
407
 
    def __init__(self, max_log_length=1000, log_level=1):
 
418
    def __init__(self, max_log_length=1000):
408
419
        DBusGMainLoop(set_as_default=True)
409
420
        
410
421
        self.screen = urwid.curses_display.Screen()
411
422
        
412
423
        self.screen.register_palette((
413
 
                ("normal",
414
 
                 "default", "default", None),
415
 
                ("bold",
416
 
                 "bold", "default", "bold"),
417
 
                ("underline-blink",
418
 
                 "underline,blink", "default", "underline,blink"),
419
 
                ("standout",
420
 
                 "standout", "default", "standout"),
421
 
                ("bold-underline-blink",
422
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
423
 
                ("bold-standout",
424
 
                 "bold,standout", "default", "bold,standout"),
425
 
                ("underline-blink-standout",
426
 
                 "underline,blink,standout", "default",
427
 
                 "underline,blink,standout"),
428
 
                ("bold-underline-blink-standout",
429
 
                 "bold,underline,blink,standout", "default",
430
 
                 "bold,underline,blink,standout"),
 
424
                (u"normal",
 
425
                 u"default", u"default", None),
 
426
                (u"bold",
 
427
                 u"default", u"default", u"bold"),
 
428
                (u"underline-blink",
 
429
                 u"default", u"default", u"underline"),
 
430
                (u"standout",
 
431
                 u"default", u"default", u"standout"),
 
432
                (u"bold-underline-blink",
 
433
                 u"default", u"default", (u"bold", u"underline")),
 
434
                (u"bold-standout",
 
435
                 u"default", u"default", (u"bold", u"standout")),
 
436
                (u"underline-blink-standout",
 
437
                 u"default", u"default", (u"underline", u"standout")),
 
438
                (u"bold-underline-blink-standout",
 
439
                 u"default", u"default", (u"bold", u"underline",
 
440
                                          u"standout")),
431
441
                ))
432
442
        
433
443
        if urwid.supports_unicode():
434
 
            self.divider = "─" # \u2500
435
 
            #self.divider = "━" # \u2501
 
444
            self.divider = u"─" # \u2500
 
445
            #self.divider = u"━" # \u2501
436
446
        else:
437
 
            #self.divider = "-" # \u002d
438
 
            self.divider = "_" # \u005f
 
447
            #self.divider = u"-" # \u002d
 
448
            self.divider = u"_" # \u005f
439
449
        
440
450
        self.screen.start()
441
451
        
448
458
        self.log = []
449
459
        self.max_log_length = max_log_length
450
460
        
451
 
        self.log_level = log_level
452
 
        
453
461
        # We keep a reference to the log widget so we can remove it
454
462
        # from the ListWalker without it getting destroyed
455
463
        self.logbox = ConstrainedListBox(self.log)
457
465
        # This keeps track of whether self.uilist currently has
458
466
        # self.logbox in it or not
459
467
        self.log_visible = True
460
 
        self.log_wrap = "any"
 
468
        self.log_wrap = u"any"
461
469
        
462
470
        self.rebuild()
463
 
        self.log_message_raw(("bold",
464
 
                              "Mandos Monitor version " + version))
465
 
        self.log_message_raw(("bold",
466
 
                              "q: Quit  ?: Help"))
 
471
        self.log_message_raw((u"bold",
 
472
                              u"Mandos Monitor version " + version))
 
473
        self.log_message_raw((u"bold",
 
474
                              u"q: Quit  ?: Help"))
467
475
        
468
476
        self.busname = domain + '.Mandos'
469
477
        self.main_loop = gobject.MainLoop()
 
478
        self.bus = dbus.SystemBus()
 
479
        mandos_dbus_objc = self.bus.get_object(
 
480
            self.busname, u"/", follow_name_owner_changes=True)
 
481
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
482
                                          dbus_interface
 
483
                                          = server_interface)
 
484
        try:
 
485
            mandos_clients = (self.mandos_serv
 
486
                              .GetAllClientsWithProperties())
 
487
        except dbus.exceptions.DBusException:
 
488
            mandos_clients = dbus.Dictionary()
 
489
        
 
490
        (self.mandos_serv
 
491
         .connect_to_signal(u"ClientRemoved",
 
492
                            self.find_and_remove_client,
 
493
                            dbus_interface=server_interface,
 
494
                            byte_arrays=True))
 
495
        (self.mandos_serv
 
496
         .connect_to_signal(u"ClientAdded",
 
497
                            self.add_new_client,
 
498
                            dbus_interface=server_interface,
 
499
                            byte_arrays=True))
 
500
        (self.mandos_serv
 
501
         .connect_to_signal(u"ClientNotFound",
 
502
                            self.client_not_found,
 
503
                            dbus_interface=server_interface,
 
504
                            byte_arrays=True))
 
505
        for path, client in mandos_clients.iteritems():
 
506
            client_proxy_object = self.bus.get_object(self.busname,
 
507
                                                      path)
 
508
            self.add_client(MandosClientWidget(server_proxy_object
 
509
                                               =self.mandos_serv,
 
510
                                               proxy_object
 
511
                                               =client_proxy_object,
 
512
                                               properties=client,
 
513
                                               update_hook
 
514
                                               =self.refresh,
 
515
                                               delete_hook
 
516
                                               =self.remove_client,
 
517
                                               logger
 
518
                                               =self.log_message),
 
519
                            path=path)
470
520
    
471
521
    def client_not_found(self, fingerprint, address):
472
 
        self.log_message("Client with address {0} and fingerprint"
473
 
                         " {1} could not be found"
474
 
                         .format(address, fingerprint))
 
522
        self.log_message((u"Client with address %s and fingerprint %s"
 
523
                          u" could not be found" % (address,
 
524
                                                    fingerprint)))
475
525
    
476
526
    def rebuild(self):
477
527
        """This rebuilds the User Interface.
487
537
                                                     self.divider)))
488
538
        if self.log_visible:
489
539
            self.uilist.append(self.logbox)
 
540
            pass
490
541
        self.topwidget = urwid.Pile(self.uilist)
491
542
    
492
 
    def log_message(self, message, level=1):
493
 
        """Log message formatted with timestamp"""
494
 
        if level < self.log_level:
495
 
            return
 
543
    def log_message(self, message):
496
544
        timestamp = datetime.datetime.now().isoformat()
497
 
        self.log_message_raw("{0}: {1}".format(timestamp, message),
498
 
                             level=level)
 
545
        self.log_message_raw(timestamp + u": " + message)
499
546
    
500
 
    def log_message_raw(self, markup, level=1):
 
547
    def log_message_raw(self, markup):
501
548
        """Add a log message to the log buffer."""
502
 
        if level < self.log_level:
503
 
            return
504
549
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
505
550
        if (self.max_log_length
506
551
            and len(self.log) > self.max_log_length):
507
552
            del self.log[0:len(self.log)-self.max_log_length-1]
508
553
        self.logbox.set_focus(len(self.logbox.body.contents),
509
 
                              coming_from="above")
 
554
                              coming_from=u"above")
510
555
        self.refresh()
511
556
    
512
557
    def toggle_log_display(self):
513
558
        """Toggle visibility of the log buffer."""
514
559
        self.log_visible = not self.log_visible
515
560
        self.rebuild()
516
 
        self.log_message("Log visibility changed to: {0}"
517
 
                         .format(self.log_visible), level=0)
 
561
        #self.log_message(u"Log visibility changed to: "
 
562
        #                 + unicode(self.log_visible))
518
563
    
519
564
    def change_log_display(self):
520
565
        """Change type of log display.
521
566
        Currently, this toggles wrapping of text lines."""
522
 
        if self.log_wrap == "clip":
523
 
            self.log_wrap = "any"
 
567
        if self.log_wrap == u"clip":
 
568
            self.log_wrap = u"any"
524
569
        else:
525
 
            self.log_wrap = "clip"
 
570
            self.log_wrap = u"clip"
526
571
        for textwidget in self.log:
527
572
            textwidget.set_wrap_mode(self.log_wrap)
528
 
        self.log_message("Wrap mode: {0}".format(self.log_wrap),
529
 
                         level=0)
 
573
        #self.log_message(u"Wrap mode: " + self.log_wrap)
530
574
    
531
575
    def find_and_remove_client(self, path, name):
532
 
        """Find a client by its object path and remove it.
 
576
        """Find an client from its object path and remove it.
533
577
        
534
578
        This is connected to the ClientRemoved signal from the
535
579
        Mandos server object."""
537
581
            client = self.clients_dict[path]
538
582
        except KeyError:
539
583
            # not found?
540
 
            self.log_message("Unknown client {0!r} ({1!r}) removed"
541
 
                             .format(name, path))
542
584
            return
543
 
        client.delete()
 
585
        self.remove_client(client, path)
544
586
    
545
587
    def add_new_client(self, path):
546
588
        client_proxy_object = self.bus.get_object(self.busname, path)
561
603
        if path is None:
562
604
            path = client.proxy.object_path
563
605
        self.clients_dict[path] = client
564
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
606
        self.clients.sort(None, lambda c: c.properties[u"Name"])
565
607
        self.refresh()
566
608
    
567
609
    def remove_client(self, client, path=None):
569
611
        if path is None:
570
612
            path = client.proxy.object_path
571
613
        del self.clients_dict[path]
 
614
        if not self.clients_dict:
 
615
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
616
            # is completely emptied, we need to recreate it.
 
617
            self.clients = urwid.SimpleListWalker([])
 
618
            self.rebuild()
572
619
        self.refresh()
573
620
    
574
621
    def refresh(self):
578
625
    
579
626
    def run(self):
580
627
        """Start the main loop and exit when it's done."""
581
 
        self.bus = dbus.SystemBus()
582
 
        mandos_dbus_objc = self.bus.get_object(
583
 
            self.busname, "/", follow_name_owner_changes=True)
584
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
585
 
                                          dbus_interface
586
 
                                          = server_interface)
587
 
        try:
588
 
            mandos_clients = (self.mandos_serv
589
 
                              .GetAllClientsWithProperties())
590
 
            if not mandos_clients:
591
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
592
 
        except dbus.exceptions.DBusException:
593
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
594
 
            mandos_clients = dbus.Dictionary()
595
 
        
596
 
        (self.mandos_serv
597
 
         .connect_to_signal("ClientRemoved",
598
 
                            self.find_and_remove_client,
599
 
                            dbus_interface=server_interface,
600
 
                            byte_arrays=True))
601
 
        (self.mandos_serv
602
 
         .connect_to_signal("ClientAdded",
603
 
                            self.add_new_client,
604
 
                            dbus_interface=server_interface,
605
 
                            byte_arrays=True))
606
 
        (self.mandos_serv
607
 
         .connect_to_signal("ClientNotFound",
608
 
                            self.client_not_found,
609
 
                            dbus_interface=server_interface,
610
 
                            byte_arrays=True))
611
 
        for path, client in mandos_clients.items():
612
 
            client_proxy_object = self.bus.get_object(self.busname,
613
 
                                                      path)
614
 
            self.add_client(MandosClientWidget(server_proxy_object
615
 
                                               =self.mandos_serv,
616
 
                                               proxy_object
617
 
                                               =client_proxy_object,
618
 
                                               properties=client,
619
 
                                               update_hook
620
 
                                               =self.refresh,
621
 
                                               delete_hook
622
 
                                               =self.remove_client,
623
 
                                               logger
624
 
                                               =self.log_message),
625
 
                            path=path)
626
 
        
627
628
        self.refresh()
628
629
        self._input_callback_tag = (gobject.io_add_watch
629
630
                                    (sys.stdin.fileno(),
639
640
    
640
641
    def process_input(self, source, condition):
641
642
        keys = self.screen.get_input()
642
 
        translations = { "ctrl n": "down",      # Emacs
643
 
                         "ctrl p": "up",        # Emacs
644
 
                         "ctrl v": "page down", # Emacs
645
 
                         "meta v": "page up",   # Emacs
646
 
                         " ": "page down",      # less
647
 
                         "f": "page down",      # less
648
 
                         "b": "page up",        # less
649
 
                         "j": "down",           # vi
650
 
                         "k": "up",             # vi
 
643
        translations = { u"ctrl n": u"down",      # Emacs
 
644
                         u"ctrl p": u"up",        # Emacs
 
645
                         u"ctrl v": u"page down", # Emacs
 
646
                         u"meta v": u"page up",   # Emacs
 
647
                         u" ": u"page down",      # less
 
648
                         u"f": u"page down",      # less
 
649
                         u"b": u"page up",        # less
 
650
                         u"j": u"down",           # vi
 
651
                         u"k": u"up",             # vi
651
652
                         }
652
653
        for key in keys:
653
654
            try:
655
656
            except KeyError:    # :-)
656
657
                pass
657
658
            
658
 
            if key == "q" or key == "Q":
 
659
            if key == u"q" or key == u"Q":
659
660
                self.stop()
660
661
                break
661
 
            elif key == "window resize":
 
662
            elif key == u"window resize":
662
663
                self.size = self.screen.get_cols_rows()
663
664
                self.refresh()
664
 
            elif key == "\f":  # Ctrl-L
 
665
            elif key == u"\f":  # Ctrl-L
665
666
                self.refresh()
666
 
            elif key == "l" or key == "D":
 
667
            elif key == u"l" or key == u"D":
667
668
                self.toggle_log_display()
668
669
                self.refresh()
669
 
            elif key == "w" or key == "i":
 
670
            elif key == u"w" or key == u"i":
670
671
                self.change_log_display()
671
672
                self.refresh()
672
 
            elif key == "?" or key == "f1" or key == "esc":
 
673
            elif key == u"?" or key == u"f1" or key == u"esc":
673
674
                if not self.log_visible:
674
675
                    self.log_visible = True
675
676
                    self.rebuild()
676
 
                self.log_message_raw(("bold",
677
 
                                      "  ".
678
 
                                      join(("q: Quit",
679
 
                                            "?: Help",
680
 
                                            "l: Log window toggle",
681
 
                                            "TAB: Switch window",
682
 
                                            "w: Wrap (log lines)",
683
 
                                            "v: Toggle verbose log",
684
 
                                            ))))
685
 
                self.log_message_raw(("bold",
686
 
                                      "  "
687
 
                                      .join(("Clients:",
688
 
                                             "+: Enable",
689
 
                                             "-: Disable",
690
 
                                             "R: Remove",
691
 
                                             "s: Start new checker",
692
 
                                             "S: Stop checker",
693
 
                                             "C: Checker OK",
694
 
                                             "a: Approve",
695
 
                                             "d: Deny"))))
 
677
                self.log_message_raw((u"bold",
 
678
                                      u"  ".
 
679
                                      join((u"q: Quit",
 
680
                                            u"?: Help",
 
681
                                            u"l: Log window toggle",
 
682
                                            u"TAB: Switch window",
 
683
                                            u"w: Wrap (log)"))))
 
684
                self.log_message_raw((u"bold",
 
685
                                      u"  "
 
686
                                      .join((u"Clients:",
 
687
                                             u"+: Enable",
 
688
                                             u"-: Disable",
 
689
                                             u"R: Remove",
 
690
                                             u"s: Start new checker",
 
691
                                             u"S: Stop checker",
 
692
                                             u"C: Checker OK",
 
693
                                             u"a: Approve",
 
694
                                             u"d: Deny"))))
696
695
                self.refresh()
697
 
            elif key == "tab":
 
696
            elif key == u"tab":
698
697
                if self.topwidget.get_focus() is self.logbox:
699
698
                    self.topwidget.set_focus(0)
700
699
                else:
701
700
                    self.topwidget.set_focus(self.logbox)
702
701
                self.refresh()
703
 
            elif key == "v":
704
 
                if self.log_level == 0:
705
 
                    self.log_level = 1
706
 
                    self.log_message("Verbose mode: Off")
707
 
                else:
708
 
                    self.log_level = 0
709
 
                    self.log_message("Verbose mode: On")
710
 
            #elif (key == "end" or key == "meta >" or key == "G"
711
 
            #      or key == ">"):
 
702
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
703
            #      or key == u">"):
712
704
            #    pass            # xxx end-of-buffer
713
 
            #elif (key == "home" or key == "meta <" or key == "g"
714
 
            #      or key == "<"):
 
705
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
706
            #      or key == u"<"):
715
707
            #    pass            # xxx beginning-of-buffer
716
 
            #elif key == "ctrl e" or key == "$":
 
708
            #elif key == u"ctrl e" or key == u"$":
717
709
            #    pass            # xxx move-end-of-line
718
 
            #elif key == "ctrl a" or key == "^":
 
710
            #elif key == u"ctrl a" or key == u"^":
719
711
            #    pass            # xxx move-beginning-of-line
720
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
712
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
721
713
            #    pass            # xxx left
722
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
714
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
723
715
            #    pass            # xxx right
724
 
            #elif key == "a":
 
716
            #elif key == u"a":
725
717
            #    pass            # scroll up log
726
 
            #elif key == "z":
 
718
            #elif key == u"z":
727
719
            #    pass            # scroll down log
728
720
            elif self.topwidget.selectable():
729
721
                self.topwidget.keypress(self.size, key)
735
727
    ui.run()
736
728
except KeyboardInterrupt:
737
729
    ui.screen.stop()
738
 
except Exception as e:
739
 
    ui.log_message(str(e))
 
730
except Exception, e:
 
731
    ui.log_message(unicode(e))
740
732
    ui.screen.stop()
741
733
    raise