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  • Committer: Teddy Hogeborn
  • Date: 2009-11-09 05:10:35 UTC
  • Revision ID: teddy@fukt.bsnet.se-20091109051035-zcmvuhioo9gjs0cb
* mandos-monitor (MandosClientPropertyCache): Remove conversion of
                                              D-Bus types to native
                                              Python types.
  (MandosClientPropertyCache.type_map): Removed attribute.
  (MandosClientPropertyCache.conversion): Removed method.
  (ConstrainedListBox): New; a ListBox which will keep the focus.
  (UserInterface.__init__): Take new argument "max_log_length".
  (UserInterface.divider, UserInterface.log,
  UserInterface.max_log_length, UserInterface.logbox,
  UserInterface.log_visible, UserInterface.log_wrap): New attributes.
  (UserInterface.rebuild, UserInterface.log_message,
  UserInterface.toggle_log_display, UserInterface.change_log_display):
  New methods.
  (UserInterface.remove_client): Bug fix: Eliminate double client
                                 listing when an empty list gets a
                                 ClientAdded signal.
  (UserInterface.process_input): Add more key translations.

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Lines of Context:
mandos-monitor
1
1
#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
3
 
# 
4
 
# Mandos Monitor - Control and monitor the Mandos server
5
 
# 
6
 
# Copyright © 2009-2012 Teddy Hogeborn
7
 
# Copyright © 2009-2012 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 <http://www.gnu.org/licenses/>.
21
 
# 
22
 
# Contact the authors at <mandos@recompile.se>.
23
 
# 
24
3
 
25
 
from __future__ import (division, absolute_import, print_function,
26
 
                        unicode_literals)
 
4
from __future__ import division, absolute_import, with_statement
27
5
 
28
6
import sys
29
 
import os
30
7
import signal
31
8
 
32
 
import datetime
33
 
 
34
9
import urwid.curses_display
35
10
import urwid
36
11
 
41
16
 
42
17
import UserList
43
18
 
44
 
import locale
45
 
 
46
 
locale.setlocale(locale.LC_ALL, '')
47
 
 
48
 
import logging
49
 
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
50
 
 
51
19
# Some useful constants
52
 
domain = 'se.recompile'
 
20
domain = 'se.bsnet.fukt'
53
21
server_interface = domain + '.Mandos'
54
22
client_interface = domain + '.Mandos.Client'
55
 
version = "1.5.3"
 
23
version = "1.0.14"
56
24
 
57
25
# Always run in monochrome mode
58
26
urwid.curses_display.curses.has_colors = lambda : False
62
30
urwid.curses_display.curses.A_UNDERLINE |= (
63
31
    urwid.curses_display.curses.A_BLINK)
64
32
 
65
 
def isoformat_to_datetime(iso):
66
 
    "Parse an ISO 8601 date string to a datetime.datetime()"
67
 
    if not iso:
68
 
        return None
69
 
    d, t = iso.split("T", 1)
70
 
    year, month, day = d.split("-", 2)
71
 
    hour, minute, second = t.split(":", 2)
72
 
    second, fraction = divmod(float(second), 1)
73
 
    return datetime.datetime(int(year),
74
 
                             int(month),
75
 
                             int(day),
76
 
                             int(hour),
77
 
                             int(minute),
78
 
                             int(second),           # Whole seconds
79
 
                             int(fraction*1000000)) # Microseconds
80
 
 
81
33
class MandosClientPropertyCache(object):
82
34
    """This wraps a Mandos Client D-Bus proxy object, caches the
83
35
    properties and calls a hook function when any of them are
84
36
    changed.
85
37
    """
86
 
    def __init__(self, proxy_object=None, *args, **kwargs):
 
38
    def __init__(self, proxy_object=None, properties=None, *args,
 
39
                 **kwargs):
87
40
        self.proxy = proxy_object # Mandos Client proxy object
88
41
        
89
 
        self.properties = dict()
90
 
        self.property_changed_match = (
91
 
            self.proxy.connect_to_signal("PropertyChanged",
92
 
                                         self.property_changed,
93
 
                                         client_interface,
94
 
                                         byte_arrays=True))
 
42
        if properties is None:
 
43
            self.properties = dict()
 
44
        else:
 
45
            self.properties = properties
 
46
        self.proxy.connect_to_signal("PropertyChanged",
 
47
                                     self.property_changed,
 
48
                                     client_interface,
 
49
                                     byte_arrays=True)
95
50
        
96
 
        self.properties.update(
97
 
            self.proxy.GetAll(client_interface,
98
 
                              dbus_interface = dbus.PROPERTIES_IFACE))
99
 
 
100
 
        #XXX This breaks good super behaviour
101
 
#        super(MandosClientPropertyCache, self).__init__(
102
 
#            *args, **kwargs)
 
51
        if properties is None:
 
52
            self.properties.update(self.proxy.GetAll(client_interface,
 
53
                                                     dbus_interface =
 
54
                                                     dbus.PROPERTIES_IFACE))
 
55
        super(MandosClientPropertyCache, self).__init__(
 
56
            proxy_object=proxy_object,
 
57
            properties=properties, *args, **kwargs)
103
58
    
104
59
    def property_changed(self, property=None, value=None):
105
60
        """This is called whenever we get a PropertyChanged signal
107
62
        """
108
63
        # Update properties dict with new value
109
64
        self.properties[property] = value
110
 
    
111
 
    def delete(self, *args, **kwargs):
112
 
        self.property_changed_match.remove()
113
 
        super(MandosClientPropertyCache, self).__init__(
114
 
            *args, **kwargs)
115
65
 
116
66
 
117
67
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
119
69
    """
120
70
    
121
71
    def __init__(self, server_proxy_object=None, update_hook=None,
122
 
                 delete_hook=None, logger=None, *args, **kwargs):
 
72
                 delete_hook=None, *args, **kwargs):
123
73
        # Called on update
124
74
        self.update_hook = update_hook
125
75
        # Called on delete
126
76
        self.delete_hook = delete_hook
127
77
        # Mandos Server proxy object
128
78
        self.server_proxy_object = server_proxy_object
129
 
        # Logger
130
 
        self.logger = logger
131
 
        
132
 
        self._update_timer_callback_tag = None
133
 
        self._update_timer_callback_lock = 0
134
79
        
135
80
        # The widget shown normally
136
81
        self._text_widget = urwid.Text("")
141
86
            *args, **kwargs)
142
87
        self.update()
143
88
        self.opened = False
144
 
        
145
 
        last_checked_ok = isoformat_to_datetime(self.properties
146
 
                                                ["LastCheckedOK"])
147
 
        
148
 
        if self.properties ["LastCheckerStatus"] != 0:
149
 
            self.using_timer(True)
150
 
        
151
 
        if self.need_approval:
152
 
            self.using_timer(True)
153
 
        
154
 
        self.match_objects = (
155
 
            self.proxy.connect_to_signal("CheckerCompleted",
156
 
                                         self.checker_completed,
157
 
                                         client_interface,
158
 
                                         byte_arrays=True),
159
 
            self.proxy.connect_to_signal("CheckerStarted",
160
 
                                         self.checker_started,
161
 
                                         client_interface,
162
 
                                         byte_arrays=True),
163
 
            self.proxy.connect_to_signal("GotSecret",
164
 
                                         self.got_secret,
165
 
                                         client_interface,
166
 
                                         byte_arrays=True),
167
 
            self.proxy.connect_to_signal("NeedApproval",
168
 
                                         self.need_approval,
169
 
                                         client_interface,
170
 
                                         byte_arrays=True),
171
 
            self.proxy.connect_to_signal("Rejected",
172
 
                                         self.rejected,
173
 
                                         client_interface,
174
 
                                         byte_arrays=True))
175
 
        #self.logger('Created client {0}'
176
 
        #            .format(self.properties["Name"]))
177
 
    
178
 
    def property_changed(self, property=None, value=None):
179
 
        super(self, MandosClientWidget).property_changed(property,
180
 
                                                         value)
181
 
        if property == "ApprovalPending":
182
 
            using_timer(bool(value))
183
 
        if property == "LastCheckerStatus":
184
 
            using_timer(value != 0)
185
 
            #self.logger('Checker for client {0} (command "{1}") was '
186
 
            #            ' successful'.format(self.properties["Name"],
187
 
            #                                 command))
188
 
    
189
 
    def using_timer(self, flag):
190
 
        """Call this method with True or False when timer should be
191
 
        activated or deactivated.
192
 
        """
193
 
        old = self._update_timer_callback_lock
194
 
        if flag:
195
 
            self._update_timer_callback_lock += 1
196
 
        else:
197
 
            self._update_timer_callback_lock -= 1
198
 
        if old == 0 and self._update_timer_callback_lock:
199
 
            # Will update the shown timer value every second
200
 
            self._update_timer_callback_tag = (gobject.timeout_add
201
 
                                               (1000,
202
 
                                                self.update_timer))
203
 
        elif old and self._update_timer_callback_lock == 0:
204
 
            gobject.source_remove(self._update_timer_callback_tag)
205
 
            self._update_timer_callback_tag = None
206
 
    
207
 
    def checker_completed(self, exitstatus, condition, command):
208
 
        if exitstatus == 0:
209
 
            self.update()
210
 
            return
211
 
        # Checker failed
212
 
        if os.WIFEXITED(condition):
213
 
            self.logger('Checker for client {0} (command "{1}")'
214
 
                        ' failed with exit code {2}'
215
 
                        .format(self.properties["Name"], command,
216
 
                                os.WEXITSTATUS(condition)))
217
 
        elif os.WIFSIGNALED(condition):
218
 
            self.logger('Checker for client {0} (command "{1}") was'
219
 
                        ' killed by signal {2}'
220
 
                        .format(self.properties["Name"], command,
221
 
                                os.WTERMSIG(condition)))
222
 
        elif os.WCOREDUMP(condition):
223
 
            self.logger('Checker for client {0} (command "{1}")'
224
 
                        ' dumped core'
225
 
                        .format(self.properties["Name"], command))
226
 
        else:
227
 
            self.logger('Checker for client {0} completed'
228
 
                        ' mysteriously'
229
 
                        .format(self.properties["Name"]))
230
 
        self.update()
231
 
    
232
 
    def checker_started(self, command):
233
 
        """Server signals that a checker started. This could be useful
234
 
           to log in the future. """
235
 
        #self.logger('Client {0} started checker "{1}"'
236
 
        #            .format(self.properties["Name"],
237
 
        #                    unicode(command)))
238
 
        pass
239
 
    
240
 
    def got_secret(self):
241
 
        self.logger('Client {0} received its secret'
242
 
                    .format(self.properties["Name"]))
243
 
    
244
 
    def need_approval(self, timeout, default):
245
 
        if not default:
246
 
            message = 'Client {0} needs approval within {1} seconds'
247
 
        else:
248
 
            message = 'Client {0} will get its secret in {1} seconds'
249
 
        self.logger(message.format(self.properties["Name"],
250
 
                                   timeout/1000))
251
 
        self.using_timer(True)
252
 
    
253
 
    def rejected(self, reason):
254
 
        self.logger('Client {0} was rejected; reason: {1}'
255
 
                    .format(self.properties["Name"], reason))
256
89
    
257
90
    def selectable(self):
258
91
        """Make this a "selectable" widget.
259
92
        This overrides the method from urwid.FlowWidget."""
260
93
        return True
261
94
    
262
 
    def rows(self, maxcolrow, focus=False):
 
95
    def rows(self, (maxcol,), focus=False):
263
96
        """How many rows this widget will occupy might depend on
264
97
        whether we have focus or not.
265
98
        This overrides the method from urwid.FlowWidget"""
266
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
99
        return self.current_widget(focus).rows((maxcol,), focus=focus)
267
100
    
268
101
    def current_widget(self, focus=False):
269
102
        if focus or self.opened:
273
106
    def update(self):
274
107
        "Called when what is visible on the screen should be updated."
275
108
        # How to add standout mode to a style
276
 
        with_standout = { "normal": "standout",
277
 
                          "bold": "bold-standout",
278
 
                          "underline-blink":
279
 
                              "underline-blink-standout",
280
 
                          "bold-underline-blink":
281
 
                              "bold-underline-blink-standout",
 
109
        with_standout = { u"normal": u"standout",
 
110
                          u"bold": u"bold-standout",
 
111
                          u"underline-blink":
 
112
                              u"underline-blink-standout",
 
113
                          u"bold-underline-blink":
 
114
                              u"bold-underline-blink-standout",
282
115
                          }
283
 
 
 
116
        
284
117
        # Rebuild focus and non-focus widgets using current properties
285
 
 
286
 
        # Base part of a client. Name!
287
 
        base = '{name}: '.format(name=self.properties["Name"])
288
 
        if not self.properties["Enabled"]:
289
 
            message = "DISABLED"
290
 
        elif self.properties["ApprovalPending"]:
291
 
            timeout = datetime.timedelta(milliseconds
292
 
                                         = self.properties
293
 
                                         ["ApprovalDelay"])
294
 
            last_approval_request = isoformat_to_datetime(
295
 
                self.properties["LastApprovalRequest"])
296
 
            if last_approval_request is not None:
297
 
                timer = timeout - (datetime.datetime.utcnow()
298
 
                                   - last_approval_request)
299
 
            else:
300
 
                timer = datetime.timedelta()
301
 
            if self.properties["ApprovedByDefault"]:
302
 
                message = "Approval in {0}. (d)eny?"
303
 
            else:
304
 
                message = "Denial in {0}. (a)pprove?"
305
 
            message = message.format(unicode(timer).rsplit(".", 1)[0])
306
 
        elif self.properties["LastCheckerStatus"] != 0:
307
 
            # When checker has failed, print a timer until client expires
308
 
            expires = self.properties["Expires"]
309
 
            if expires == "":
310
 
                timer = datetime.timedelta(0)
311
 
            else:
312
 
                expires = datetime.datetime.strptime(expires,
313
 
                                                     '%Y-%m-%dT%H:%M:%S.%f')
314
 
                timer = expires - datetime.datetime.utcnow()
315
 
            message = ('A checker has failed! Time until client'
316
 
                       ' gets disabled: {0}'
317
 
                       .format(unicode(timer).rsplit(".", 1)[0]))
318
 
        else:
319
 
            message = "enabled"
320
 
        self._text = "{0}{1}".format(base, message)
321
 
            
 
118
        self._text = (u'name="%(name)s", enabled=%(enabled)s'
 
119
                      % self.properties)
322
120
        if not urwid.supports_unicode():
323
121
            self._text = self._text.encode("ascii", "replace")
324
 
        textlist = [("normal", self._text)]
 
122
        textlist = [(u"normal", u"BLARGH: "), (u"bold", self._text)]
325
123
        self._text_widget.set_text(textlist)
326
124
        self._focus_text_widget.set_text([(with_standout[text[0]],
327
125
                                           text[1])
335
133
        if self.update_hook is not None:
336
134
            self.update_hook()
337
135
    
338
 
    def update_timer(self):
339
 
        """called by gobject. Will indefinitely loop until
340
 
        gobject.source_remove() on tag is called"""
341
 
        self.update()
342
 
        return True             # Keep calling this
343
 
    
344
 
    def delete(self, *args, **kwargs):
345
 
        if self._update_timer_callback_tag is not None:
346
 
            gobject.source_remove(self._update_timer_callback_tag)
347
 
            self._update_timer_callback_tag = None
348
 
        for match in self.match_objects:
349
 
            match.remove()
350
 
        self.match_objects = ()
 
136
    def delete(self):
351
137
        if self.delete_hook is not None:
352
138
            self.delete_hook(self)
353
 
        return super(MandosClientWidget, self).delete(*args, **kwargs)
354
139
    
355
 
    def render(self, maxcolrow, focus=False):
 
140
    def render(self, (maxcol,), focus=False):
356
141
        """Render differently if we have focus.
357
142
        This overrides the method from urwid.FlowWidget"""
358
 
        return self.current_widget(focus).render(maxcolrow,
 
143
        return self.current_widget(focus).render((maxcol,),
359
144
                                                 focus=focus)
360
145
    
361
 
    def keypress(self, maxcolrow, key):
 
146
    def keypress(self, (maxcol,), key):
362
147
        """Handle keys.
363
148
        This overrides the method from urwid.FlowWidget"""
364
 
        if key == "+":
365
 
            self.proxy.Enable(dbus_interface = client_interface,
366
 
                              ignore_reply=True)
367
 
        elif key == "-":
368
 
            self.proxy.Disable(dbus_interface = client_interface,
369
 
                               ignore_reply=True)
370
 
        elif key == "a":
371
 
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
372
 
                               dbus_interface = client_interface,
373
 
                               ignore_reply=True)
374
 
        elif key == "d":
375
 
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
376
 
                                  dbus_interface = client_interface,
377
 
                               ignore_reply=True)
378
 
        elif key == "R" or key == "_" or key == "ctrl k":
 
149
        if key == u"e" or key == u"+":
 
150
            self.proxy.Enable()
 
151
        elif key == u"d" or key == u"-":
 
152
            self.proxy.Disable()
 
153
        elif key == u"r" or key == u"_":
379
154
            self.server_proxy_object.RemoveClient(self.proxy
380
 
                                                  .object_path,
381
 
                                                  ignore_reply=True)
382
 
        elif key == "s":
383
 
            self.proxy.StartChecker(dbus_interface = client_interface,
384
 
                                    ignore_reply=True)
385
 
        elif key == "S":
386
 
            self.proxy.StopChecker(dbus_interface = client_interface,
387
 
                                   ignore_reply=True)
388
 
        elif key == "C":
389
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
390
 
                                 ignore_reply=True)
 
155
                                                  .object_path)
 
156
        elif key == u"s":
 
157
            self.proxy.StartChecker()
 
158
        elif key == u"c":
 
159
            self.proxy.StopChecker()
 
160
        elif key == u"S":
 
161
            self.proxy.CheckedOK()
391
162
        # xxx
392
 
#         elif key == "p" or key == "=":
 
163
#         elif key == u"p" or key == "=":
393
164
#             self.proxy.pause()
394
 
#         elif key == "u" or key == ":":
 
165
#         elif key == u"u" or key == ":":
395
166
#             self.proxy.unpause()
396
 
#         elif key == "RET":
 
167
#         elif key == u"RET":
397
168
#             self.open()
398
169
        else:
399
170
            return key
415
186
    "down" key presses, thus not allowing any containing widgets to
416
187
    use them as an excuse to shift focus away from this widget.
417
188
    """
418
 
    def keypress(self, maxcolrow, key):
419
 
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
420
 
        if ret in ("up", "down"):
 
189
    def keypress(self, (maxcol, maxrow), key):
 
190
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
 
191
        if ret in (u"up", u"down"):
421
192
            return
422
193
        return ret
423
194
 
432
203
        self.screen = urwid.curses_display.Screen()
433
204
        
434
205
        self.screen.register_palette((
435
 
                ("normal",
436
 
                 "default", "default", None),
437
 
                ("bold",
438
 
                 "default", "default", "bold"),
439
 
                ("underline-blink",
440
 
                 "default", "default", "underline"),
441
 
                ("standout",
442
 
                 "default", "default", "standout"),
443
 
                ("bold-underline-blink",
444
 
                 "default", "default", ("bold", "underline")),
445
 
                ("bold-standout",
446
 
                 "default", "default", ("bold", "standout")),
447
 
                ("underline-blink-standout",
448
 
                 "default", "default", ("underline", "standout")),
449
 
                ("bold-underline-blink-standout",
450
 
                 "default", "default", ("bold", "underline",
451
 
                                          "standout")),
 
206
                (u"normal",
 
207
                 u"default", u"default", None),
 
208
                (u"bold",
 
209
                 u"default", u"default", u"bold"),
 
210
                (u"underline-blink",
 
211
                 u"default", u"default", u"underline"),
 
212
                (u"standout",
 
213
                 u"default", u"default", u"standout"),
 
214
                (u"bold-underline-blink",
 
215
                 u"default", u"default", (u"bold", u"underline")),
 
216
                (u"bold-standout",
 
217
                 u"default", u"default", (u"bold", u"standout")),
 
218
                (u"underline-blink-standout",
 
219
                 u"default", u"default", (u"underline", u"standout")),
 
220
                (u"bold-underline-blink-standout",
 
221
                 u"default", u"default", (u"bold", u"underline",
 
222
                                          u"standout")),
452
223
                ))
453
224
        
454
225
        if urwid.supports_unicode():
455
 
            self.divider = "─" # \u2500
456
 
            #self.divider = "━" # \u2501
 
226
            #self.divider = u"─" # \u2500
 
227
            self.divider = u"━" # \u2501
457
228
        else:
458
 
            #self.divider = "-" # \u002d
459
 
            self.divider = "_" # \u005f
 
229
            #self.divider = u"-" # \u002d
 
230
            self.divider = u"_" # \u005f
460
231
        
461
232
        self.screen.start()
462
233
        
476
247
        # This keeps track of whether self.uilist currently has
477
248
        # self.logbox in it or not
478
249
        self.log_visible = True
479
 
        self.log_wrap = "any"
 
250
        self.log_wrap = u"any"
480
251
        
481
252
        self.rebuild()
482
 
        self.log_message_raw(("bold",
483
 
                              "Mandos Monitor version " + version))
484
 
        self.log_message_raw(("bold",
485
 
                              "q: Quit  ?: Help"))
 
253
        self.log_message(u"Message")
 
254
        self.log_message(u"Message0 Message1 Message2 Message3 Message4 Message5 Message6 Message7 Message8 Message9")
 
255
        self.log_message(u"Message10 Message11 Message12 Message13 Message14 Message15 Message16 Message17 Message18 Message19")
 
256
        self.log_message(u"Message20 Message21 Message22 Message23 Message24 Message25 Message26 Message27 Message28 Message29")
486
257
        
487
258
        self.busname = domain + '.Mandos'
488
259
        self.main_loop = gobject.MainLoop()
489
 
    
490
 
    def client_not_found(self, fingerprint, address):
491
 
        self.log_message("Client with address {0} and fingerprint"
492
 
                         " {1} could not be found"
493
 
                         .format(address, fingerprint))
 
260
        self.bus = dbus.SystemBus()
 
261
        mandos_dbus_objc = self.bus.get_object(
 
262
            self.busname, u"/", follow_name_owner_changes=True)
 
263
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
264
                                          dbus_interface
 
265
                                          = server_interface)
 
266
        try:
 
267
            mandos_clients = (self.mandos_serv
 
268
                              .GetAllClientsWithProperties())
 
269
        except dbus.exceptions.DBusException:
 
270
            mandos_clients = dbus.Dictionary()
 
271
        
 
272
        (self.mandos_serv
 
273
         .connect_to_signal("ClientRemoved",
 
274
                            self.find_and_remove_client,
 
275
                            dbus_interface=server_interface,
 
276
                            byte_arrays=True))
 
277
        (self.mandos_serv
 
278
         .connect_to_signal("ClientAdded",
 
279
                            self.add_new_client,
 
280
                            dbus_interface=server_interface,
 
281
                            byte_arrays=True))
 
282
        for path, client in mandos_clients.iteritems():
 
283
            client_proxy_object = self.bus.get_object(self.busname,
 
284
                                                      path)
 
285
            self.add_client(MandosClientWidget(server_proxy_object
 
286
                                               =self.mandos_serv,
 
287
                                               proxy_object
 
288
                                               =client_proxy_object,
 
289
                                               properties=client,
 
290
                                               update_hook
 
291
                                               =self.refresh,
 
292
                                               delete_hook
 
293
                                               =self.remove_client),
 
294
                            path=path)
494
295
    
495
296
    def rebuild(self):
496
297
        """This rebuilds the User Interface.
497
298
        Call this when the widget layout needs to change"""
498
299
        self.uilist = []
499
300
        #self.uilist.append(urwid.ListBox(self.clients))
500
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
501
 
                                                          clients),
 
301
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
502
302
                                       #header=urwid.Divider(),
503
303
                                       header=None,
504
 
                                       footer=
505
 
                                       urwid.Divider(div_char=
506
 
                                                     self.divider)))
 
304
                                       footer=urwid.Divider(div_char=self.divider)))
507
305
        if self.log_visible:
508
306
            self.uilist.append(self.logbox)
 
307
            pass
509
308
        self.topwidget = urwid.Pile(self.uilist)
510
309
    
511
 
    def log_message(self, message):
512
 
        timestamp = datetime.datetime.now().isoformat()
513
 
        self.log_message_raw(timestamp + ": " + message)
514
 
    
515
 
    def log_message_raw(self, markup):
 
310
    def log_message(self, markup):
516
311
        """Add a log message to the log buffer."""
517
312
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
518
313
        if (self.max_log_length
519
314
            and len(self.log) > self.max_log_length):
520
315
            del self.log[0:len(self.log)-self.max_log_length-1]
521
 
        self.logbox.set_focus(len(self.logbox.body.contents),
522
 
                              coming_from="above")
523
 
        self.refresh()
524
316
    
525
317
    def toggle_log_display(self):
526
318
        """Toggle visibility of the log buffer."""
527
319
        self.log_visible = not self.log_visible
528
320
        self.rebuild()
529
 
        #self.log_message("Log visibility changed to: "
530
 
        #                 + unicode(self.log_visible))
 
321
        self.log_message(u"Log visibility changed to: "
 
322
                         + unicode(self.log_visible))
531
323
    
532
324
    def change_log_display(self):
533
325
        """Change type of log display.
534
326
        Currently, this toggles wrapping of text lines."""
535
 
        if self.log_wrap == "clip":
536
 
            self.log_wrap = "any"
 
327
        if self.log_wrap == u"clip":
 
328
            self.log_wrap = u"any"
537
329
        else:
538
 
            self.log_wrap = "clip"
 
330
            self.log_wrap = u"clip"
539
331
        for textwidget in self.log:
540
332
            textwidget.set_wrap_mode(self.log_wrap)
541
 
        #self.log_message("Wrap mode: " + self.log_wrap)
 
333
        self.log_message(u"Wrap mode: " + self.log_wrap)
542
334
    
543
335
    def find_and_remove_client(self, path, name):
544
 
        """Find a client by its object path and remove it.
 
336
        """Find an client from its object path and remove it.
545
337
        
546
338
        This is connected to the ClientRemoved signal from the
547
339
        Mandos server object."""
549
341
            client = self.clients_dict[path]
550
342
        except KeyError:
551
343
            # not found?
552
 
            self.log_message("Unknown client {0!r} ({1!r}) removed"
553
 
                             .format(name, path))
554
344
            return
555
 
        client.delete()
 
345
        self.remove_client(client, path)
556
346
    
557
 
    def add_new_client(self, path):
 
347
    def add_new_client(self, path, properties):
558
348
        client_proxy_object = self.bus.get_object(self.busname, path)
559
349
        self.add_client(MandosClientWidget(server_proxy_object
560
350
                                           =self.mandos_serv,
561
351
                                           proxy_object
562
352
                                           =client_proxy_object,
 
353
                                           properties=properties,
563
354
                                           update_hook
564
355
                                           =self.refresh,
565
356
                                           delete_hook
566
 
                                           =self.remove_client,
567
 
                                           logger
568
 
                                           =self.log_message),
 
357
                                           =self.remove_client),
569
358
                        path=path)
570
359
    
571
360
    def add_client(self, client, path=None):
573
362
        if path is None:
574
363
            path = client.proxy.object_path
575
364
        self.clients_dict[path] = client
576
 
        self.clients.sort(None, lambda c: c.properties["Name"])
 
365
        self.clients.sort(None, lambda c: c.properties[u"name"])
577
366
        self.refresh()
578
367
    
579
368
    def remove_client(self, client, path=None):
595
384
    
596
385
    def run(self):
597
386
        """Start the main loop and exit when it's done."""
598
 
        self.bus = dbus.SystemBus()
599
 
        mandos_dbus_objc = self.bus.get_object(
600
 
            self.busname, "/", follow_name_owner_changes=True)
601
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
602
 
                                          dbus_interface
603
 
                                          = server_interface)
604
 
        try:
605
 
            mandos_clients = (self.mandos_serv
606
 
                              .GetAllClientsWithProperties())
607
 
        except dbus.exceptions.DBusException:
608
 
            mandos_clients = dbus.Dictionary()
609
 
        
610
 
        (self.mandos_serv
611
 
         .connect_to_signal("ClientRemoved",
612
 
                            self.find_and_remove_client,
613
 
                            dbus_interface=server_interface,
614
 
                            byte_arrays=True))
615
 
        (self.mandos_serv
616
 
         .connect_to_signal("ClientAdded",
617
 
                            self.add_new_client,
618
 
                            dbus_interface=server_interface,
619
 
                            byte_arrays=True))
620
 
        (self.mandos_serv
621
 
         .connect_to_signal("ClientNotFound",
622
 
                            self.client_not_found,
623
 
                            dbus_interface=server_interface,
624
 
                            byte_arrays=True))
625
 
        for path, client in mandos_clients.iteritems():
626
 
            client_proxy_object = self.bus.get_object(self.busname,
627
 
                                                      path)
628
 
            self.add_client(MandosClientWidget(server_proxy_object
629
 
                                               =self.mandos_serv,
630
 
                                               proxy_object
631
 
                                               =client_proxy_object,
632
 
                                               properties=client,
633
 
                                               update_hook
634
 
                                               =self.refresh,
635
 
                                               delete_hook
636
 
                                               =self.remove_client,
637
 
                                               logger
638
 
                                               =self.log_message),
639
 
                            path=path)
640
 
 
641
387
        self.refresh()
642
388
        self._input_callback_tag = (gobject.io_add_watch
643
389
                                    (sys.stdin.fileno(),
653
399
    
654
400
    def process_input(self, source, condition):
655
401
        keys = self.screen.get_input()
656
 
        translations = { "ctrl n": "down",      # Emacs
657
 
                         "ctrl p": "up",        # Emacs
658
 
                         "ctrl v": "page down", # Emacs
659
 
                         "meta v": "page up",   # Emacs
660
 
                         " ": "page down",      # less
661
 
                         "f": "page down",      # less
662
 
                         "b": "page up",        # less
663
 
                         "j": "down",           # vi
664
 
                         "k": "up",             # vi
 
402
        translations = { u"ctrl n": u"down",      # Emacs
 
403
                         u"ctrl p": u"up",        # Emacs
 
404
                         u"ctrl v": u"page down", # Emacs
 
405
                         u"meta v": u"page up",   # Emacs
 
406
                         u" ": u"page down",      # less
 
407
                         u"f": u"page down",      # less
 
408
                         u"b": u"page up",        # less
 
409
                         u"j": u"down",           # vi
 
410
                         u"k": u"up",             # vi
665
411
                         }
666
412
        for key in keys:
667
413
            try:
669
415
            except KeyError:    # :-)
670
416
                pass
671
417
            
672
 
            if key == "q" or key == "Q":
 
418
            if key == u"q" or key == u"Q":
673
419
                self.stop()
674
420
                break
675
 
            elif key == "window resize":
 
421
            elif key == u"window resize":
676
422
                self.size = self.screen.get_cols_rows()
677
423
                self.refresh()
678
 
            elif key == "\f":  # Ctrl-L
 
424
            elif key == u"\f":  # Ctrl-L
679
425
                self.refresh()
680
 
            elif key == "l" or key == "D":
 
426
            elif key == u"l" or key == u"D":
681
427
                self.toggle_log_display()
682
428
                self.refresh()
683
 
            elif key == "w" or key == "i":
 
429
            elif key == u"w" or key == u"i":
684
430
                self.change_log_display()
685
431
                self.refresh()
686
 
            elif key == "?" or key == "f1" or key == "esc":
687
 
                if not self.log_visible:
688
 
                    self.log_visible = True
689
 
                    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)"))))
697
 
                self.log_message_raw(("bold",
698
 
                                      "  "
699
 
                                      .join(("Clients:",
700
 
                                             "+: Enable",
701
 
                                             "-: Disable",
702
 
                                             "R: Remove",
703
 
                                             "s: Start new checker",
704
 
                                             "S: Stop checker",
705
 
                                             "C: Checker OK",
706
 
                                             "a: Approve",
707
 
                                             "d: Deny"))))
 
432
            elif key == u"?" or key == u"f1":
 
433
                self.log_message(u"Help!")
708
434
                self.refresh()
709
 
            elif key == "tab":
 
435
            elif key == u"tab":
710
436
                if self.topwidget.get_focus() is self.logbox:
711
437
                    self.topwidget.set_focus(0)
712
438
                else:
713
439
                    self.topwidget.set_focus(self.logbox)
714
440
                self.refresh()
715
 
            #elif (key == "end" or key == "meta >" or key == "G"
716
 
            #      or key == ">"):
717
 
            #    pass            # xxx end-of-buffer
718
 
            #elif (key == "home" or key == "meta <" or key == "g"
719
 
            #      or key == "<"):
720
 
            #    pass            # xxx beginning-of-buffer
721
 
            #elif key == "ctrl e" or key == "$":
722
 
            #    pass            # xxx move-end-of-line
723
 
            #elif key == "ctrl a" or key == "^":
724
 
            #    pass            # xxx move-beginning-of-line
725
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
726
 
            #    pass            # xxx left
727
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
728
 
            #    pass            # xxx right
729
 
            #elif key == "a":
730
 
            #    pass            # scroll up log
731
 
            #elif key == "z":
732
 
            #    pass            # scroll down log
 
441
            elif (key == u"end" or key == u"meta >" or key == u"G"
 
442
                  or key == u">"):
 
443
                pass            # xxx end-of-buffer
 
444
            elif (key == u"home" or key == u"meta <" or key == u"g"
 
445
                  or key == u"<"):
 
446
                pass            # xxx beginning-of-buffer
 
447
            elif key == u"ctrl e" or key == u"$":
 
448
                pass            # xxx move-end-of-line
 
449
            elif key == u"ctrl a" or key == u"^":
 
450
                pass            # xxx move-beginning-of-line
 
451
            elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
452
                pass            # xxx left
 
453
            elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
454
                pass            # xxx right
 
455
            elif key == u"a":
 
456
                pass            # scroll up log
 
457
            elif key == u"z":
 
458
                pass            # scroll down log
733
459
            elif self.topwidget.selectable():
734
460
                self.topwidget.keypress(self.size, key)
735
461
                self.refresh()
738
464
ui = UserInterface()
739
465
try:
740
466
    ui.run()
741
 
except KeyboardInterrupt:
742
 
    ui.screen.stop()
743
 
except Exception, e:
744
 
    ui.log_message(unicode(e))
 
467
except:
745
468
    ui.screen.stop()
746
469
    raise