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  • Committer: Teddy Hogeborn
  • Date: 2012-11-14 21:03:24 UTC
  • mto: (237.7.272 trunk)
  • mto: This revision was merged to the branch mainline in revision 303.
  • Revision ID: teddy@recompile.se-20121114210324-n7m7k0ki2ncmje3a
* mandos-ctl (string_to_delta): Try to parse RFC 3339 duration before
                                anything else.  This also minimizes
                                the changes from the last release.
  (PGPEngine): Use straight subprocess.Popen() to call "gpg".
* mandos-monitor (UserInterface.run): Fix grammar.

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mandos-monitor
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#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
3
 
 
4
 
from __future__ import division, absolute_import, with_statement
 
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
 
21
# <http://www.gnu.org/licenses/>.
 
22
# 
 
23
# Contact the authors at <mandos@recompile.se>.
 
24
# 
 
25
 
 
26
from __future__ import (division, absolute_import, print_function,
 
27
                        unicode_literals)
 
28
 
 
29
from future_builtins import *
5
30
 
6
31
import sys
7
32
import os
21
46
 
22
47
import locale
23
48
 
24
 
locale.setlocale(locale.LC_ALL, u'')
 
49
locale.setlocale(locale.LC_ALL, '')
25
50
 
26
51
import logging
27
52
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
28
53
 
29
54
# Some useful constants
30
 
domain = 'se.bsnet.fukt'
 
55
domain = 'se.recompile'
31
56
server_interface = domain + '.Mandos'
32
57
client_interface = domain + '.Mandos.Client'
33
 
version = "1.0.15"
 
58
version = "1.6.0"
34
59
 
35
60
# Always run in monochrome mode
36
61
urwid.curses_display.curses.has_colors = lambda : False
44
69
    "Parse an ISO 8601 date string to a datetime.datetime()"
45
70
    if not iso:
46
71
        return None
47
 
    d, t = iso.split(u"T", 1)
48
 
    year, month, day = d.split(u"-", 2)
49
 
    hour, minute, second = t.split(u":", 2)
 
72
    d, t = iso.split("T", 1)
 
73
    year, month, day = d.split("-", 2)
 
74
    hour, minute, second = t.split(":", 2)
50
75
    second, fraction = divmod(float(second), 1)
51
76
    return datetime.datetime(int(year),
52
77
                             int(month),
61
86
    properties and calls a hook function when any of them are
62
87
    changed.
63
88
    """
64
 
    def __init__(self, proxy_object=None, *args, **kwargs):
 
89
    def __init__(self, proxy_object=None, properties=None, **kwargs):
65
90
        self.proxy = proxy_object # Mandos Client proxy object
66
 
        
67
 
        self.properties = dict()
68
 
        self.proxy.connect_to_signal(u"PropertyChanged",
69
 
                                     self.property_changed,
70
 
                                     client_interface,
71
 
                                     byte_arrays=True)
72
 
        
73
 
        self.properties.update(
74
 
            self.proxy.GetAll(client_interface,
75
 
                              dbus_interface = dbus.PROPERTIES_IFACE))
76
 
 
77
 
        #XXX This break good super behaviour!
78
 
#        super(MandosClientPropertyCache, self).__init__(
79
 
#            *args, **kwargs)
 
91
        self.properties = dict() if properties is None else properties
 
92
        self.property_changed_match = (
 
93
            self.proxy.connect_to_signal("PropertyChanged",
 
94
                                         self._property_changed,
 
95
                                         client_interface,
 
96
                                         byte_arrays=True))
 
97
        
 
98
        if properties is None:
 
99
            self.properties.update(
 
100
                self.proxy.GetAll(client_interface,
 
101
                                  dbus_interface
 
102
                                  = dbus.PROPERTIES_IFACE))
 
103
        
 
104
        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
105
    
 
106
    def _property_changed(self, property, value):
 
107
        """Helper which takes positional arguments"""
 
108
        return self.property_changed(property=property, value=value)
80
109
    
81
110
    def property_changed(self, property=None, value=None):
82
111
        """This is called whenever we get a PropertyChanged signal
84
113
        """
85
114
        # Update properties dict with new value
86
115
        self.properties[property] = value
 
116
    
 
117
    def delete(self):
 
118
        self.property_changed_match.remove()
87
119
 
88
120
 
89
121
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
91
123
    """
92
124
    
93
125
    def __init__(self, server_proxy_object=None, update_hook=None,
94
 
                 delete_hook=None, logger=None, *args, **kwargs):
 
126
                 delete_hook=None, logger=None, **kwargs):
95
127
        # Called on update
96
128
        self.update_hook = update_hook
97
129
        # Called on delete
102
134
        self.logger = logger
103
135
        
104
136
        self._update_timer_callback_tag = None
105
 
        self.last_checker_failed = False
106
137
        
107
138
        # The widget shown normally
108
 
        self._text_widget = urwid.Text(u"")
 
139
        self._text_widget = urwid.Text("")
109
140
        # The widget shown when we have focus
110
 
        self._focus_text_widget = urwid.Text(u"")
111
 
        super(MandosClientWidget, self).__init__(
112
 
            update_hook=update_hook, delete_hook=delete_hook,
113
 
            *args, **kwargs)
 
141
        self._focus_text_widget = urwid.Text("")
 
142
        super(MandosClientWidget, self).__init__(**kwargs)
114
143
        self.update()
115
144
        self.opened = False
116
 
        self.proxy.connect_to_signal(u"CheckerCompleted",
117
 
                                     self.checker_completed,
118
 
                                     client_interface,
119
 
                                     byte_arrays=True)
120
 
        self.proxy.connect_to_signal(u"CheckerStarted",
121
 
                                     self.checker_started,
122
 
                                     client_interface,
123
 
                                     byte_arrays=True)
124
 
        self.proxy.connect_to_signal(u"GotSecret",
125
 
                                     self.got_secret,
126
 
                                     client_interface,
127
 
                                     byte_arrays=True)
128
 
        self.proxy.connect_to_signal(u"NeedApproval",
129
 
                                     self.need_approval,
130
 
                                     client_interface,
131
 
                                     byte_arrays=True)
132
 
        self.proxy.connect_to_signal(u"Rejected",
133
 
                                     self.rejected,
134
 
                                     client_interface,
135
 
                                     byte_arrays=True)
136
 
        last_checked_ok = isoformat_to_datetime(self.properties
137
 
                                                ["last_checked_ok"])
138
 
        if last_checked_ok is None:
139
 
            self.last_checker_failed = True
140
 
        else:
141
 
            self.last_checker_failed = ((datetime.datetime.utcnow()
142
 
                                         - last_checked_ok)
143
 
                                        > datetime.timedelta
144
 
                                        (milliseconds=
145
 
                                         self.properties["interval"]))
146
 
        if self.last_checker_failed:
 
145
        
 
146
        self.match_objects = (
 
147
            self.proxy.connect_to_signal("CheckerCompleted",
 
148
                                         self.checker_completed,
 
149
                                         client_interface,
 
150
                                         byte_arrays=True),
 
151
            self.proxy.connect_to_signal("CheckerStarted",
 
152
                                         self.checker_started,
 
153
                                         client_interface,
 
154
                                         byte_arrays=True),
 
155
            self.proxy.connect_to_signal("GotSecret",
 
156
                                         self.got_secret,
 
157
                                         client_interface,
 
158
                                         byte_arrays=True),
 
159
            self.proxy.connect_to_signal("NeedApproval",
 
160
                                         self.need_approval,
 
161
                                         client_interface,
 
162
                                         byte_arrays=True),
 
163
            self.proxy.connect_to_signal("Rejected",
 
164
                                         self.rejected,
 
165
                                         client_interface,
 
166
                                         byte_arrays=True))
 
167
        #self.logger('Created client {0}'
 
168
        #            .format(self.properties["Name"]))
 
169
    
 
170
    def using_timer(self, flag):
 
171
        """Call this method with True or False when timer should be
 
172
        activated or deactivated.
 
173
        """
 
174
        if flag and self._update_timer_callback_tag is None:
 
175
            # Will update the shown timer value every second
147
176
            self._update_timer_callback_tag = (gobject.timeout_add
148
177
                                               (1000,
149
178
                                                self.update_timer))
 
179
        elif not (flag or self._update_timer_callback_tag is None):
 
180
            gobject.source_remove(self._update_timer_callback_tag)
 
181
            self._update_timer_callback_tag = None
150
182
    
151
183
    def checker_completed(self, exitstatus, condition, command):
152
184
        if exitstatus == 0:
153
 
            if self.last_checker_failed:
154
 
                self.last_checker_failed = False
155
 
                gobject.source_remove(self._update_timer_callback_tag)
156
 
                self._update_timer_callback_tag = None
157
 
            self.logger(u'Checker for client %s (command "%s")'
158
 
                        u' was successful'
159
 
                        % (self.properties[u"name"], command))
160
185
            self.update()
161
186
            return
162
187
        # Checker failed
163
 
        if not self.last_checker_failed:
164
 
            self.last_checker_failed = True
165
 
            self._update_timer_callback_tag = (gobject.timeout_add
166
 
                                               (1000,
167
 
                                                self.update_timer))
168
188
        if os.WIFEXITED(condition):
169
 
            self.logger(u'Checker for client %s (command "%s")'
170
 
                        u' failed with exit code %s'
171
 
                        % (self.properties[u"name"], command,
172
 
                           os.WEXITSTATUS(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)))
173
193
        elif os.WIFSIGNALED(condition):
174
 
            self.logger(u'Checker for client %s (command "%s")'
175
 
                        u' was killed by signal %s'
176
 
                        % (self.properties[u"name"], command,
177
 
                           os.WTERMSIG(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)))
178
198
        elif os.WCOREDUMP(condition):
179
 
            self.logger(u'Checker for client %s (command "%s")'
180
 
                        u' dumped core'
181
 
                        % (self.properties[u"name"], command))
 
199
            self.logger('Checker for client {0} (command "{1}")'
 
200
                        ' dumped core'
 
201
                        .format(self.properties["Name"], command))
182
202
        else:
183
 
            self.logger(u'Checker for client %s completed mysteriously')
 
203
            self.logger('Checker for client {0} completed'
 
204
                        ' mysteriously'
 
205
                        .format(self.properties["Name"]))
184
206
        self.update()
185
207
    
186
208
    def checker_started(self, command):
187
 
        #self.logger(u'Client %s started checker "%s"'
188
 
        #            % (self.properties[u"name"], unicode(command)))
 
209
        """Server signals that a checker started. This could be useful
 
210
           to log in the future. """
 
211
        #self.logger('Client {0} started checker "{1}"'
 
212
        #            .format(self.properties["Name"],
 
213
        #                    unicode(command)))
189
214
        pass
190
215
    
191
216
    def got_secret(self):
192
 
        self.logger(u'Client %s received its secret'
193
 
                    % self.properties[u"name"])
 
217
        self.logger('Client {0} received its secret'
 
218
                    .format(self.properties["Name"]))
194
219
    
195
220
    def need_approval(self, timeout, default):
196
221
        if not default:
197
 
            message = u'Client %s needs approval within %s seconds'
 
222
            message = 'Client {0} needs approval within {1} seconds'
198
223
        else:
199
 
            message = u'Client %s will get its secret in %s seconds'
200
 
        self.logger(message
201
 
                    % (self.properties[u"name"], timeout/1000))
 
224
            message = 'Client {0} will get its secret in {1} seconds'
 
225
        self.logger(message.format(self.properties["Name"],
 
226
                                   timeout/1000))
202
227
    
203
228
    def rejected(self, reason):
204
 
        self.logger(u'Client %s was rejected; reason: %s'
205
 
                    % (self.properties[u"name"], reason))
 
229
        self.logger('Client {0} was rejected; reason: {1}'
 
230
                    .format(self.properties["Name"], reason))
206
231
    
207
232
    def selectable(self):
208
233
        """Make this a "selectable" widget.
209
234
        This overrides the method from urwid.FlowWidget."""
210
235
        return True
211
236
    
212
 
    def rows(self, (maxcol,), focus=False):
 
237
    def rows(self, maxcolrow, focus=False):
213
238
        """How many rows this widget will occupy might depend on
214
239
        whether we have focus or not.
215
240
        This overrides the method from urwid.FlowWidget"""
216
 
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
241
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
217
242
    
218
243
    def current_widget(self, focus=False):
219
244
        if focus or self.opened:
223
248
    def update(self):
224
249
        "Called when what is visible on the screen should be updated."
225
250
        # How to add standout mode to a style
226
 
        with_standout = { u"normal": u"standout",
227
 
                          u"bold": u"bold-standout",
228
 
                          u"underline-blink":
229
 
                              u"underline-blink-standout",
230
 
                          u"bold-underline-blink":
231
 
                              u"bold-underline-blink-standout",
 
251
        with_standout = { "normal": "standout",
 
252
                          "bold": "bold-standout",
 
253
                          "underline-blink":
 
254
                              "underline-blink-standout",
 
255
                          "bold-underline-blink":
 
256
                              "bold-underline-blink-standout",
232
257
                          }
233
 
 
 
258
        
234
259
        # Rebuild focus and non-focus widgets using current properties
235
 
 
 
260
        
236
261
        # Base part of a client. Name!
237
 
        base = (u'%(name)s: '
238
 
                      % {u"name": self.properties[u"name"]})
239
 
        if not self.properties[u"enabled"]:
240
 
            message = u"DISABLED"
241
 
        elif self.last_checker_failed:
 
262
        base = '{name}: '.format(name=self.properties["Name"])
 
263
        if not self.properties["Enabled"]:
 
264
            message = "DISABLED"
 
265
            self.using_timer(False)
 
266
        elif self.properties["ApprovalPending"]:
242
267
            timeout = datetime.timedelta(milliseconds
243
 
                                         = self.properties[u"timeout"])
244
 
            last_ok = isoformat_to_datetime(
245
 
                max((self.properties["last_checked_ok"]
246
 
                     or self.properties["created"]),
247
 
                    self.properties[u"last_enabled"]))
248
 
            timer = timeout - (datetime.datetime.utcnow() - last_ok)
249
 
 
250
 
            message = (u'A checker has failed! Time until client gets diabled: %s'
251
 
                           % unicode(timer))
252
 
        elif self.properties[u"approved_pending"]:
253
 
            if self.properties[u"approved_by_default"]:
254
 
                message = u"Connection established to client. (d)eny?"
255
 
            else:
256
 
                message = u"Seeks approval to send secret. (a)pprove?"
 
268
                                         = self.properties
 
269
                                         ["ApprovalDelay"])
 
270
            last_approval_request = isoformat_to_datetime(
 
271
                self.properties["LastApprovalRequest"])
 
272
            if last_approval_request is not None:
 
273
                timer = max(timeout - (datetime.datetime.utcnow()
 
274
                                       - last_approval_request),
 
275
                            datetime.timedelta())
 
276
            else:
 
277
                timer = datetime.timedelta()
 
278
            if self.properties["ApprovedByDefault"]:
 
279
                message = "Approval in {0}. (d)eny?"
 
280
            else:
 
281
                message = "Denial in {0}. (a)pprove?"
 
282
            message = message.format(unicode(timer).rsplit(".", 1)[0])
 
283
            self.using_timer(True)
 
284
        elif self.properties["LastCheckerStatus"] != 0:
 
285
            # When checker has failed, show timer until client expires
 
286
            expires = self.properties["Expires"]
 
287
            if expires == "":
 
288
                timer = datetime.timedelta(0)
 
289
            else:
 
290
                expires = (datetime.datetime.strptime
 
291
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
 
292
                timer = max(expires - datetime.datetime.utcnow(),
 
293
                            datetime.timedelta())
 
294
            message = ('A checker has failed! Time until client'
 
295
                       ' gets disabled: {0}'
 
296
                       .format(unicode(timer).rsplit(".", 1)[0]))
 
297
            self.using_timer(True)
257
298
        else:
258
 
            message = u"enabled"
259
 
        self._text = "%s%s" % (base, message)
260
 
            
 
299
            message = "enabled"
 
300
            self.using_timer(False)
 
301
        self._text = "{0}{1}".format(base, message)
 
302
        
261
303
        if not urwid.supports_unicode():
262
304
            self._text = self._text.encode("ascii", "replace")
263
 
        textlist = [(u"normal", self._text)]
 
305
        textlist = [("normal", self._text)]
264
306
        self._text_widget.set_text(textlist)
265
307
        self._focus_text_widget.set_text([(with_standout[text[0]],
266
308
                                           text[1])
275
317
            self.update_hook()
276
318
    
277
319
    def update_timer(self):
278
 
        "called by gobject"
 
320
        """called by gobject. Will indefinitely loop until
 
321
        gobject.source_remove() on tag is called"""
279
322
        self.update()
280
323
        return True             # Keep calling this
281
324
    
282
 
    def delete(self):
 
325
    def delete(self, **kwargs):
283
326
        if self._update_timer_callback_tag is not None:
284
327
            gobject.source_remove(self._update_timer_callback_tag)
285
328
            self._update_timer_callback_tag = None
 
329
        for match in self.match_objects:
 
330
            match.remove()
 
331
        self.match_objects = ()
286
332
        if self.delete_hook is not None:
287
333
            self.delete_hook(self)
 
334
        return super(MandosClientWidget, self).delete(**kwargs)
288
335
    
289
 
    def render(self, (maxcol,), focus=False):
 
336
    def render(self, maxcolrow, focus=False):
290
337
        """Render differently if we have focus.
291
338
        This overrides the method from urwid.FlowWidget"""
292
 
        return self.current_widget(focus).render((maxcol,),
 
339
        return self.current_widget(focus).render(maxcolrow,
293
340
                                                 focus=focus)
294
341
    
295
 
    def keypress(self, (maxcol,), key):
 
342
    def keypress(self, maxcolrow, key):
296
343
        """Handle keys.
297
344
        This overrides the method from urwid.FlowWidget"""
298
 
        if key == u"+":
299
 
            self.proxy.Enable(dbus_interface = client_interface)
300
 
        elif key == u"-":
301
 
            self.proxy.Disable(dbus_interface = client_interface)
302
 
        elif key == u"a":
 
345
        if key == "+":
 
346
            self.proxy.Enable(dbus_interface = client_interface,
 
347
                              ignore_reply=True)
 
348
        elif key == "-":
 
349
            self.proxy.Disable(dbus_interface = client_interface,
 
350
                               ignore_reply=True)
 
351
        elif key == "a":
303
352
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
304
 
                               dbus_interface = client_interface)
305
 
        elif key == u"d":
 
353
                               dbus_interface = client_interface,
 
354
                               ignore_reply=True)
 
355
        elif key == "d":
306
356
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
307
 
                                  dbus_interface = client_interface)
308
 
        elif key == u"r" or key == u"_" or key == u"ctrl k":
 
357
                                  dbus_interface = client_interface,
 
358
                               ignore_reply=True)
 
359
        elif key == "R" or key == "_" or key == "ctrl k":
309
360
            self.server_proxy_object.RemoveClient(self.proxy
310
 
                                                  .object_path)
311
 
        elif key == u"s":
312
 
            self.proxy.StartChecker(dbus_interface = client_interface)
313
 
        elif key == u"S":
314
 
            self.proxy.StopChecker(dbus_interface = client_interface)
315
 
        elif key == u"C":
316
 
            self.proxy.CheckedOK(dbus_interface = client_interface)
 
361
                                                  .object_path,
 
362
                                                  ignore_reply=True)
 
363
        elif key == "s":
 
364
            self.proxy.StartChecker(dbus_interface = client_interface,
 
365
                                    ignore_reply=True)
 
366
        elif key == "S":
 
367
            self.proxy.StopChecker(dbus_interface = client_interface,
 
368
                                   ignore_reply=True)
 
369
        elif key == "C":
 
370
            self.proxy.CheckedOK(dbus_interface = client_interface,
 
371
                                 ignore_reply=True)
317
372
        # xxx
318
 
#         elif key == u"p" or key == "=":
 
373
#         elif key == "p" or key == "=":
319
374
#             self.proxy.pause()
320
 
#         elif key == u"u" or key == ":":
 
375
#         elif key == "u" or key == ":":
321
376
#             self.proxy.unpause()
322
 
#         elif key == u"RET":
 
377
#         elif key == "RET":
323
378
#             self.open()
324
 
#        elif key == u"+":
325
 
#            self.proxy.Approve(True)
326
 
#        elif key == u"-":
327
 
#            self.proxy.Approve(False)
328
379
        else:
329
380
            return key
330
381
    
331
 
    def property_changed(self, property=None, value=None,
332
 
                         *args, **kwargs):
 
382
    def property_changed(self, property=None, **kwargs):
333
383
        """Call self.update() if old value is not new value.
334
384
        This overrides the method from MandosClientPropertyCache"""
335
385
        property_name = unicode(property)
336
386
        old_value = self.properties.get(property_name)
337
387
        super(MandosClientWidget, self).property_changed(
338
 
            property=property, value=value, *args, **kwargs)
 
388
            property=property, **kwargs)
339
389
        if self.properties.get(property_name) != old_value:
340
390
            self.update()
341
391
 
345
395
    "down" key presses, thus not allowing any containing widgets to
346
396
    use them as an excuse to shift focus away from this widget.
347
397
    """
348
 
    def keypress(self, (maxcol, maxrow), key):
349
 
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
350
 
        if ret in (u"up", u"down"):
 
398
    def keypress(self, *args, **kwargs):
 
399
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
 
400
        if ret in ("up", "down"):
351
401
            return
352
402
        return ret
353
403
 
362
412
        self.screen = urwid.curses_display.Screen()
363
413
        
364
414
        self.screen.register_palette((
365
 
                (u"normal",
366
 
                 u"default", u"default", None),
367
 
                (u"bold",
368
 
                 u"default", u"default", u"bold"),
369
 
                (u"underline-blink",
370
 
                 u"default", u"default", u"underline"),
371
 
                (u"standout",
372
 
                 u"default", u"default", u"standout"),
373
 
                (u"bold-underline-blink",
374
 
                 u"default", u"default", (u"bold", u"underline")),
375
 
                (u"bold-standout",
376
 
                 u"default", u"default", (u"bold", u"standout")),
377
 
                (u"underline-blink-standout",
378
 
                 u"default", u"default", (u"underline", u"standout")),
379
 
                (u"bold-underline-blink-standout",
380
 
                 u"default", u"default", (u"bold", u"underline",
381
 
                                          u"standout")),
 
415
                ("normal",
 
416
                 "default", "default", None),
 
417
                ("bold",
 
418
                 "default", "default", "bold"),
 
419
                ("underline-blink",
 
420
                 "default", "default", "underline"),
 
421
                ("standout",
 
422
                 "default", "default", "standout"),
 
423
                ("bold-underline-blink",
 
424
                 "default", "default", ("bold", "underline")),
 
425
                ("bold-standout",
 
426
                 "default", "default", ("bold", "standout")),
 
427
                ("underline-blink-standout",
 
428
                 "default", "default", ("underline", "standout")),
 
429
                ("bold-underline-blink-standout",
 
430
                 "default", "default", ("bold", "underline",
 
431
                                          "standout")),
382
432
                ))
383
433
        
384
434
        if urwid.supports_unicode():
385
 
            self.divider = u"─" # \u2500
386
 
            #self.divider = u"━" # \u2501
 
435
            self.divider = "─" # \u2500
 
436
            #self.divider = "━" # \u2501
387
437
        else:
388
 
            #self.divider = u"-" # \u002d
389
 
            self.divider = u"_" # \u005f
 
438
            #self.divider = "-" # \u002d
 
439
            self.divider = "_" # \u005f
390
440
        
391
441
        self.screen.start()
392
442
        
406
456
        # This keeps track of whether self.uilist currently has
407
457
        # self.logbox in it or not
408
458
        self.log_visible = True
409
 
        self.log_wrap = u"any"
 
459
        self.log_wrap = "any"
410
460
        
411
461
        self.rebuild()
412
 
        self.log_message_raw((u"bold",
413
 
                              u"Mandos Monitor version " + version))
414
 
        self.log_message_raw((u"bold",
415
 
                              u"q: Quit  ?: Help"))
 
462
        self.log_message_raw(("bold",
 
463
                              "Mandos Monitor version " + version))
 
464
        self.log_message_raw(("bold",
 
465
                              "q: Quit  ?: Help"))
416
466
        
417
467
        self.busname = domain + '.Mandos'
418
468
        self.main_loop = gobject.MainLoop()
419
 
        self.bus = dbus.SystemBus()
420
 
        mandos_dbus_objc = self.bus.get_object(
421
 
            self.busname, u"/", follow_name_owner_changes=True)
422
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
423
 
                                          dbus_interface
424
 
                                          = server_interface)
425
 
        try:
426
 
            mandos_clients = (self.mandos_serv
427
 
                              .GetAllClientsWithProperties())
428
 
        except dbus.exceptions.DBusException:
429
 
            mandos_clients = dbus.Dictionary()
430
 
        
431
 
        (self.mandos_serv
432
 
         .connect_to_signal(u"ClientRemoved",
433
 
                            self.find_and_remove_client,
434
 
                            dbus_interface=server_interface,
435
 
                            byte_arrays=True))
436
 
        (self.mandos_serv
437
 
         .connect_to_signal(u"ClientAdded",
438
 
                            self.add_new_client,
439
 
                            dbus_interface=server_interface,
440
 
                            byte_arrays=True))
441
 
        (self.mandos_serv
442
 
         .connect_to_signal(u"ClientNotFound",
443
 
                            self.client_not_found,
444
 
                            dbus_interface=server_interface,
445
 
                            byte_arrays=True))
446
 
        for path, client in mandos_clients.iteritems():
447
 
            client_proxy_object = self.bus.get_object(self.busname,
448
 
                                                      path)
449
 
            self.add_client(MandosClientWidget(server_proxy_object
450
 
                                               =self.mandos_serv,
451
 
                                               proxy_object
452
 
                                               =client_proxy_object,
453
 
                                               properties=client,
454
 
                                               update_hook
455
 
                                               =self.refresh,
456
 
                                               delete_hook
457
 
                                               =self.remove_client,
458
 
                                               logger
459
 
                                               =self.log_message),
460
 
                            path=path)
461
469
    
462
470
    def client_not_found(self, fingerprint, address):
463
 
        self.log_message((u"Client with address %s and fingerprint %s"
464
 
                          u" could not be found" % (address,
465
 
                                                    fingerprint)))
 
471
        self.log_message("Client with address {0} and fingerprint"
 
472
                         " {1} could not be found"
 
473
                         .format(address, fingerprint))
466
474
    
467
475
    def rebuild(self):
468
476
        """This rebuilds the User Interface.
469
477
        Call this when the widget layout needs to change"""
470
478
        self.uilist = []
471
479
        #self.uilist.append(urwid.ListBox(self.clients))
472
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
 
480
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
481
                                                          clients),
473
482
                                       #header=urwid.Divider(),
474
483
                                       header=None,
475
 
                                       footer=urwid.Divider(div_char=self.divider)))
 
484
                                       footer=
 
485
                                       urwid.Divider(div_char=
 
486
                                                     self.divider)))
476
487
        if self.log_visible:
477
488
            self.uilist.append(self.logbox)
478
 
            pass
479
489
        self.topwidget = urwid.Pile(self.uilist)
480
490
    
481
491
    def log_message(self, message):
 
492
        """Log message formatted with timestamp"""
482
493
        timestamp = datetime.datetime.now().isoformat()
483
 
        self.log_message_raw(timestamp + u": " + message)
 
494
        self.log_message_raw(timestamp + ": " + message)
484
495
    
485
496
    def log_message_raw(self, markup):
486
497
        """Add a log message to the log buffer."""
489
500
            and len(self.log) > self.max_log_length):
490
501
            del self.log[0:len(self.log)-self.max_log_length-1]
491
502
        self.logbox.set_focus(len(self.logbox.body.contents),
492
 
                              coming_from=u"above")
 
503
                              coming_from="above")
493
504
        self.refresh()
494
505
    
495
506
    def toggle_log_display(self):
496
507
        """Toggle visibility of the log buffer."""
497
508
        self.log_visible = not self.log_visible
498
509
        self.rebuild()
499
 
        self.log_message(u"Log visibility changed to: "
500
 
                         + unicode(self.log_visible))
 
510
        #self.log_message("Log visibility changed to: "
 
511
        #                 + unicode(self.log_visible))
501
512
    
502
513
    def change_log_display(self):
503
514
        """Change type of log display.
504
515
        Currently, this toggles wrapping of text lines."""
505
 
        if self.log_wrap == u"clip":
506
 
            self.log_wrap = u"any"
 
516
        if self.log_wrap == "clip":
 
517
            self.log_wrap = "any"
507
518
        else:
508
 
            self.log_wrap = u"clip"
 
519
            self.log_wrap = "clip"
509
520
        for textwidget in self.log:
510
521
            textwidget.set_wrap_mode(self.log_wrap)
511
 
        self.log_message(u"Wrap mode: " + self.log_wrap)
 
522
        #self.log_message("Wrap mode: " + self.log_wrap)
512
523
    
513
524
    def find_and_remove_client(self, path, name):
514
 
        """Find an client from its object path and remove it.
 
525
        """Find a client by its object path and remove it.
515
526
        
516
527
        This is connected to the ClientRemoved signal from the
517
528
        Mandos server object."""
519
530
            client = self.clients_dict[path]
520
531
        except KeyError:
521
532
            # not found?
 
533
            self.log_message("Unknown client {0!r} ({1!r}) removed"
 
534
                             .format(name, path))
522
535
            return
523
 
        self.remove_client(client, path)
 
536
        client.delete()
524
537
    
525
538
    def add_new_client(self, path):
526
539
        client_proxy_object = self.bus.get_object(self.busname, path)
541
554
        if path is None:
542
555
            path = client.proxy.object_path
543
556
        self.clients_dict[path] = client
544
 
        self.clients.sort(None, lambda c: c.properties[u"name"])
 
557
        self.clients.sort(None, lambda c: c.properties["Name"])
545
558
        self.refresh()
546
559
    
547
560
    def remove_client(self, client, path=None):
563
576
    
564
577
    def run(self):
565
578
        """Start the main loop and exit when it's done."""
 
579
        self.bus = dbus.SystemBus()
 
580
        mandos_dbus_objc = self.bus.get_object(
 
581
            self.busname, "/", follow_name_owner_changes=True)
 
582
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
583
                                          dbus_interface
 
584
                                          = server_interface)
 
585
        try:
 
586
            mandos_clients = (self.mandos_serv
 
587
                              .GetAllClientsWithProperties())
 
588
            if not mandos_clients:
 
589
                self.log_message_raw(("bold", "Note: Server has no clients."))
 
590
        except dbus.exceptions.DBusException:
 
591
            self.log_message_raw(("bold", "Note: No Mandos server running."))
 
592
            mandos_clients = dbus.Dictionary()
 
593
        
 
594
        (self.mandos_serv
 
595
         .connect_to_signal("ClientRemoved",
 
596
                            self.find_and_remove_client,
 
597
                            dbus_interface=server_interface,
 
598
                            byte_arrays=True))
 
599
        (self.mandos_serv
 
600
         .connect_to_signal("ClientAdded",
 
601
                            self.add_new_client,
 
602
                            dbus_interface=server_interface,
 
603
                            byte_arrays=True))
 
604
        (self.mandos_serv
 
605
         .connect_to_signal("ClientNotFound",
 
606
                            self.client_not_found,
 
607
                            dbus_interface=server_interface,
 
608
                            byte_arrays=True))
 
609
        for path, client in mandos_clients.iteritems():
 
610
            client_proxy_object = self.bus.get_object(self.busname,
 
611
                                                      path)
 
612
            self.add_client(MandosClientWidget(server_proxy_object
 
613
                                               =self.mandos_serv,
 
614
                                               proxy_object
 
615
                                               =client_proxy_object,
 
616
                                               properties=client,
 
617
                                               update_hook
 
618
                                               =self.refresh,
 
619
                                               delete_hook
 
620
                                               =self.remove_client,
 
621
                                               logger
 
622
                                               =self.log_message),
 
623
                            path=path)
 
624
        
566
625
        self.refresh()
567
626
        self._input_callback_tag = (gobject.io_add_watch
568
627
                                    (sys.stdin.fileno(),
578
637
    
579
638
    def process_input(self, source, condition):
580
639
        keys = self.screen.get_input()
581
 
        translations = { u"ctrl n": u"down",      # Emacs
582
 
                         u"ctrl p": u"up",        # Emacs
583
 
                         u"ctrl v": u"page down", # Emacs
584
 
                         u"meta v": u"page up",   # Emacs
585
 
                         u" ": u"page down",      # less
586
 
                         u"f": u"page down",      # less
587
 
                         u"b": u"page up",        # less
588
 
                         u"j": u"down",           # vi
589
 
                         u"k": u"up",             # vi
 
640
        translations = { "ctrl n": "down",      # Emacs
 
641
                         "ctrl p": "up",        # Emacs
 
642
                         "ctrl v": "page down", # Emacs
 
643
                         "meta v": "page up",   # Emacs
 
644
                         " ": "page down",      # less
 
645
                         "f": "page down",      # less
 
646
                         "b": "page up",        # less
 
647
                         "j": "down",           # vi
 
648
                         "k": "up",             # vi
590
649
                         }
591
650
        for key in keys:
592
651
            try:
594
653
            except KeyError:    # :-)
595
654
                pass
596
655
            
597
 
            if key == u"q" or key == u"Q":
 
656
            if key == "q" or key == "Q":
598
657
                self.stop()
599
658
                break
600
 
            elif key == u"window resize":
 
659
            elif key == "window resize":
601
660
                self.size = self.screen.get_cols_rows()
602
661
                self.refresh()
603
 
            elif key == u"\f":  # Ctrl-L
 
662
            elif key == "\f":  # Ctrl-L
604
663
                self.refresh()
605
 
            elif key == u"l" or key == u"D":
 
664
            elif key == "l" or key == "D":
606
665
                self.toggle_log_display()
607
666
                self.refresh()
608
 
            elif key == u"w" or key == u"i":
 
667
            elif key == "w" or key == "i":
609
668
                self.change_log_display()
610
669
                self.refresh()
611
 
            elif key == u"?" or key == u"f1" or key == u"esc":
 
670
            elif key == "?" or key == "f1" or key == "esc":
612
671
                if not self.log_visible:
613
672
                    self.log_visible = True
614
673
                    self.rebuild()
615
 
                self.log_message_raw((u"bold",
616
 
                                      u"  ".
617
 
                                      join((u"q: Quit",
618
 
                                            u"?: Help",
619
 
                                            u"l: Log window toggle",
620
 
                                            u"TAB: Switch window",
621
 
                                            u"w: Wrap (log)"))))
622
 
                self.log_message_raw((u"bold",
623
 
                                      u"  "
624
 
                                      .join((u"Clients:",
625
 
                                             u"+: Enable",
626
 
                                             u"-: Disable",
627
 
                                             u"r: Remove",
628
 
                                             u"s: Start new checker",
629
 
                                             u"S: Stop checker",
630
 
                                             u"C: Checker OK",
631
 
                                             u"a: Approve",
632
 
                                             u"d: Deny"))))
 
674
                self.log_message_raw(("bold",
 
675
                                      "  ".
 
676
                                      join(("q: Quit",
 
677
                                            "?: Help",
 
678
                                            "l: Log window toggle",
 
679
                                            "TAB: Switch window",
 
680
                                            "w: Wrap (log)"))))
 
681
                self.log_message_raw(("bold",
 
682
                                      "  "
 
683
                                      .join(("Clients:",
 
684
                                             "+: Enable",
 
685
                                             "-: Disable",
 
686
                                             "R: Remove",
 
687
                                             "s: Start new checker",
 
688
                                             "S: Stop checker",
 
689
                                             "C: Checker OK",
 
690
                                             "a: Approve",
 
691
                                             "d: Deny"))))
633
692
                self.refresh()
634
 
            elif key == u"tab":
 
693
            elif key == "tab":
635
694
                if self.topwidget.get_focus() is self.logbox:
636
695
                    self.topwidget.set_focus(0)
637
696
                else:
638
697
                    self.topwidget.set_focus(self.logbox)
639
698
                self.refresh()
640
 
            #elif (key == u"end" or key == u"meta >" or key == u"G"
641
 
            #      or key == u">"):
 
699
            #elif (key == "end" or key == "meta >" or key == "G"
 
700
            #      or key == ">"):
642
701
            #    pass            # xxx end-of-buffer
643
 
            #elif (key == u"home" or key == u"meta <" or key == u"g"
644
 
            #      or key == u"<"):
 
702
            #elif (key == "home" or key == "meta <" or key == "g"
 
703
            #      or key == "<"):
645
704
            #    pass            # xxx beginning-of-buffer
646
 
            #elif key == u"ctrl e" or key == u"$":
 
705
            #elif key == "ctrl e" or key == "$":
647
706
            #    pass            # xxx move-end-of-line
648
 
            #elif key == u"ctrl a" or key == u"^":
 
707
            #elif key == "ctrl a" or key == "^":
649
708
            #    pass            # xxx move-beginning-of-line
650
 
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
709
            #elif key == "ctrl b" or key == "meta (" or key == "h":
651
710
            #    pass            # xxx left
652
 
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
711
            #elif key == "ctrl f" or key == "meta )" or key == "l":
653
712
            #    pass            # xxx right
654
 
            #elif key == u"a":
 
713
            #elif key == "a":
655
714
            #    pass            # scroll up log
656
 
            #elif key == u"z":
 
715
            #elif key == "z":
657
716
            #    pass            # scroll down log
658
717
            elif self.topwidget.selectable():
659
718
                self.topwidget.keypress(self.size, key)
663
722
ui = UserInterface()
664
723
try:
665
724
    ui.run()
 
725
except KeyboardInterrupt:
 
726
    ui.screen.stop()
666
727
except Exception, e:
667
728
    ui.log_message(unicode(e))
668
729
    ui.screen.stop()