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  • Committer: Teddy Hogeborn
  • Date: 2012-06-09 23:41:07 UTC
  • mto: (237.7.144 trunk)
  • mto: This revision was merged to the branch mainline in revision 302.
  • Revision ID: teddy@recompile.se-20120609234107-vm6zilzz0y6aihsm
* plugins.d/mandos-client.c (raise_privileges,
  raise_privileges_permanently, lower_privileges): Return error_t and
                                                   save old errno
                                                   before calling any
                                                   other function.

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removed removed

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mandos-monitor
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1
#!/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, '')
 
50
 
 
51
import logging
 
52
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
25
53
 
26
54
# Some useful constants
27
 
domain = 'se.bsnet.fukt'
 
55
domain = 'se.recompile'
28
56
server_interface = domain + '.Mandos'
29
57
client_interface = domain + '.Mandos.Client'
30
 
version = "1.0.14"
 
58
version = "1.5.5"
31
59
 
32
60
# Always run in monochrome mode
33
61
urwid.curses_display.curses.has_colors = lambda : False
41
69
    "Parse an ISO 8601 date string to a datetime.datetime()"
42
70
    if not iso:
43
71
        return None
44
 
    d, t = iso.split(u"T", 1)
45
 
    year, month, day = d.split(u"-", 2)
46
 
    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)
47
75
    second, fraction = divmod(float(second), 1)
48
76
    return datetime.datetime(int(year),
49
77
                             int(month),
58
86
    properties and calls a hook function when any of them are
59
87
    changed.
60
88
    """
61
 
    def __init__(self, proxy_object=None, *args, **kwargs):
 
89
    def __init__(self, proxy_object=None, properties=None, **kwargs):
62
90
        self.proxy = proxy_object # Mandos Client proxy object
63
 
        
64
 
        self.properties = dict()
65
 
        self.proxy.connect_to_signal(u"PropertyChanged",
66
 
                                     self.property_changed,
67
 
                                     client_interface,
68
 
                                     byte_arrays=True)
69
 
        
70
 
        self.properties.update(
71
 
            self.proxy.GetAll(client_interface,
72
 
                              dbus_interface = dbus.PROPERTIES_IFACE))
73
 
        super(MandosClientPropertyCache, self).__init__(
74
 
            proxy_object=proxy_object, *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)
75
109
    
76
110
    def property_changed(self, property=None, value=None):
77
111
        """This is called whenever we get a PropertyChanged signal
79
113
        """
80
114
        # Update properties dict with new value
81
115
        self.properties[property] = value
 
116
    
 
117
    def delete(self):
 
118
        self.property_changed_match.remove()
82
119
 
83
120
 
84
121
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
86
123
    """
87
124
    
88
125
    def __init__(self, server_proxy_object=None, update_hook=None,
89
 
                 delete_hook=None, logger=None, *args, **kwargs):
 
126
                 delete_hook=None, logger=None, **kwargs):
90
127
        # Called on update
91
128
        self.update_hook = update_hook
92
129
        # Called on delete
97
134
        self.logger = logger
98
135
        
99
136
        self._update_timer_callback_tag = None
100
 
        self.last_checker_failed = False
101
137
        
102
138
        # The widget shown normally
103
 
        self._text_widget = urwid.Text(u"")
 
139
        self._text_widget = urwid.Text("")
104
140
        # The widget shown when we have focus
105
 
        self._focus_text_widget = urwid.Text(u"")
106
 
        super(MandosClientWidget, self).__init__(
107
 
            update_hook=update_hook, delete_hook=delete_hook,
108
 
            *args, **kwargs)
 
141
        self._focus_text_widget = urwid.Text("")
 
142
        super(MandosClientWidget, self).__init__(**kwargs)
109
143
        self.update()
110
144
        self.opened = False
111
 
        self.proxy.connect_to_signal(u"CheckerCompleted",
112
 
                                     self.checker_completed,
113
 
                                     client_interface,
114
 
                                     byte_arrays=True)
115
 
        self.proxy.connect_to_signal(u"CheckerStarted",
116
 
                                     self.checker_started,
117
 
                                     client_interface,
118
 
                                     byte_arrays=True)
119
 
        self.proxy.connect_to_signal(u"GotSecret",
120
 
                                     self.got_secret,
121
 
                                     client_interface,
122
 
                                     byte_arrays=True)
123
 
        self.proxy.connect_to_signal(u"Rejected",
124
 
                                     self.rejected,
125
 
                                     client_interface,
126
 
                                     byte_arrays=True)
127
 
        last_checked_ok = isoformat_to_datetime(self.properties
128
 
                                                ["last_checked_ok"])
129
 
        if last_checked_ok is None:
130
 
            self.last_checker_failed = True
131
 
        else:
132
 
            self.last_checker_failed = ((datetime.datetime.utcnow()
133
 
                                         - last_checked_ok)
134
 
                                        > datetime.timedelta
135
 
                                        (milliseconds=
136
 
                                         self.properties["interval"]))
137
 
        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
138
176
            self._update_timer_callback_tag = (gobject.timeout_add
139
177
                                               (1000,
140
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
141
182
    
142
183
    def checker_completed(self, exitstatus, condition, command):
143
184
        if exitstatus == 0:
144
 
            if self.last_checker_failed:
145
 
                self.last_checker_failed = False
146
 
                gobject.source_remove(self._update_timer_callback_tag)
147
 
                self._update_timer_callback_tag = None
148
 
            self.logger(u'Checker for client %s (command "%s")'
149
 
                        u' was successful'
150
 
                        % (self.properties[u"name"], command))
151
185
            self.update()
152
186
            return
153
187
        # Checker failed
154
 
        if not self.last_checker_failed:
155
 
            self.last_checker_failed = True
156
 
            self._update_timer_callback_tag = (gobject.timeout_add
157
 
                                               (1000,
158
 
                                                self.update_timer))
159
188
        if os.WIFEXITED(condition):
160
 
            self.logger(u'Checker for client %s (command "%s")'
161
 
                        u' failed with exit code %s'
162
 
                        % (self.properties[u"name"], command,
163
 
                           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)))
164
193
        elif os.WIFSIGNALED(condition):
165
 
            self.logger(u'Checker for client %s (command "%s")'
166
 
                        u' was killed by signal %s'
167
 
                        % (self.properties[u"name"], command,
168
 
                           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)))
169
198
        elif os.WCOREDUMP(condition):
170
 
            self.logger(u'Checker for client %s (command "%s")'
171
 
                        u' dumped core'
172
 
                        % (self.properties[u"name"], command))
 
199
            self.logger('Checker for client {0} (command "{1}")'
 
200
                        ' dumped core'
 
201
                        .format(self.properties["Name"], command))
173
202
        else:
174
 
            self.logger(u'Checker for client %s completed mysteriously')
 
203
            self.logger('Checker for client {0} completed'
 
204
                        ' mysteriously'
 
205
                        .format(self.properties["Name"]))
175
206
        self.update()
176
207
    
177
208
    def checker_started(self, command):
178
 
        self.logger(u'Client %s started checker "%s"'
179
 
                    % (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)))
 
214
        pass
180
215
    
181
216
    def got_secret(self):
182
 
        self.logger(u'Client %s received its secret'
183
 
                    % self.properties[u"name"])
184
 
    
185
 
    def rejected(self):
186
 
        self.logger(u'Client %s was rejected'
187
 
                    % self.properties[u"name"])
 
217
        self.logger('Client {0} received its secret'
 
218
                    .format(self.properties["Name"]))
 
219
    
 
220
    def need_approval(self, timeout, default):
 
221
        if not default:
 
222
            message = 'Client {0} needs approval within {1} seconds'
 
223
        else:
 
224
            message = 'Client {0} will get its secret in {1} seconds'
 
225
        self.logger(message.format(self.properties["Name"],
 
226
                                   timeout/1000))
 
227
    
 
228
    def rejected(self, reason):
 
229
        self.logger('Client {0} was rejected; reason: {1}'
 
230
                    .format(self.properties["Name"], reason))
188
231
    
189
232
    def selectable(self):
190
233
        """Make this a "selectable" widget.
191
234
        This overrides the method from urwid.FlowWidget."""
192
235
        return True
193
236
    
194
 
    def rows(self, (maxcol,), focus=False):
 
237
    def rows(self, maxcolrow, focus=False):
195
238
        """How many rows this widget will occupy might depend on
196
239
        whether we have focus or not.
197
240
        This overrides the method from urwid.FlowWidget"""
198
 
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
241
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
199
242
    
200
243
    def current_widget(self, focus=False):
201
244
        if focus or self.opened:
205
248
    def update(self):
206
249
        "Called when what is visible on the screen should be updated."
207
250
        # How to add standout mode to a style
208
 
        with_standout = { u"normal": u"standout",
209
 
                          u"bold": u"bold-standout",
210
 
                          u"underline-blink":
211
 
                              u"underline-blink-standout",
212
 
                          u"bold-underline-blink":
213
 
                              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",
214
257
                          }
215
258
        
216
259
        # Rebuild focus and non-focus widgets using current properties
217
 
        self._text = (u'%(name)s: %(enabled)s%(timer)s'
218
 
                      % { u"name": self.properties[u"name"],
219
 
                          u"enabled":
220
 
                              (u"enabled"
221
 
                               if self.properties[u"enabled"]
222
 
                               else u"DISABLED"),
223
 
                          u"timer": (unicode(datetime.timedelta
224
 
                                             (milliseconds =
225
 
                                              self.properties
226
 
                                              [u"timeout"])
227
 
                                             - (datetime.datetime
228
 
                                                .utcnow()
229
 
                                                - isoformat_to_datetime
230
 
                                                (max((self.properties
231
 
                                                 ["last_checked_ok"]
232
 
                                                 or
233
 
                                                 self.properties
234
 
                                                 ["created"]),
235
 
                                                    self.properties[u"last_enabled"]))))
236
 
                                     if (self.last_checker_failed
237
 
                                         and self.properties
238
 
                                         [u"enabled"])
239
 
                                     else u"")})
 
260
        
 
261
        # Base part of a client. Name!
 
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"]:
 
267
            timeout = datetime.timedelta(milliseconds
 
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)
 
298
        else:
 
299
            message = "enabled"
 
300
            self.using_timer(False)
 
301
        self._text = "{0}{1}".format(base, message)
 
302
        
240
303
        if not urwid.supports_unicode():
241
304
            self._text = self._text.encode("ascii", "replace")
242
 
        textlist = [(u"normal", self._text)]
 
305
        textlist = [("normal", self._text)]
243
306
        self._text_widget.set_text(textlist)
244
307
        self._focus_text_widget.set_text([(with_standout[text[0]],
245
308
                                           text[1])
254
317
            self.update_hook()
255
318
    
256
319
    def update_timer(self):
257
 
        "called by gobject"
 
320
        """called by gobject. Will indefinitely loop until
 
321
        gobject.source_remove() on tag is called"""
258
322
        self.update()
259
323
        return True             # Keep calling this
260
324
    
261
 
    def delete(self):
 
325
    def delete(self, **kwargs):
262
326
        if self._update_timer_callback_tag is not None:
263
327
            gobject.source_remove(self._update_timer_callback_tag)
264
328
            self._update_timer_callback_tag = None
 
329
        for match in self.match_objects:
 
330
            match.remove()
 
331
        self.match_objects = ()
265
332
        if self.delete_hook is not None:
266
333
            self.delete_hook(self)
 
334
        return super(MandosClientWidget, self).delete(**kwargs)
267
335
    
268
 
    def render(self, (maxcol,), focus=False):
 
336
    def render(self, maxcolrow, focus=False):
269
337
        """Render differently if we have focus.
270
338
        This overrides the method from urwid.FlowWidget"""
271
 
        return self.current_widget(focus).render((maxcol,),
 
339
        return self.current_widget(focus).render(maxcolrow,
272
340
                                                 focus=focus)
273
341
    
274
 
    def keypress(self, (maxcol,), key):
 
342
    def keypress(self, maxcolrow, key):
275
343
        """Handle keys.
276
344
        This overrides the method from urwid.FlowWidget"""
277
 
        if key == u"e" or key == u"+":
278
 
            self.proxy.Enable()
279
 
        elif key == u"d" or key == u"-":
280
 
            self.proxy.Disable()
281
 
        elif key == u"r" or key == u"_" or key == u"ctrl k":
 
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":
 
352
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
353
                               dbus_interface = client_interface,
 
354
                               ignore_reply=True)
 
355
        elif key == "d":
 
356
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
357
                                  dbus_interface = client_interface,
 
358
                               ignore_reply=True)
 
359
        elif key == "R" or key == "_" or key == "ctrl k":
282
360
            self.server_proxy_object.RemoveClient(self.proxy
283
 
                                                  .object_path)
284
 
        elif key == u"s":
285
 
            self.proxy.StartChecker()
286
 
        elif key == u"S":
287
 
            self.proxy.StopChecker()
288
 
        elif key == u"C":
289
 
            self.proxy.CheckedOK()
 
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)
290
372
        # xxx
291
 
#         elif key == u"p" or key == "=":
 
373
#         elif key == "p" or key == "=":
292
374
#             self.proxy.pause()
293
 
#         elif key == u"u" or key == ":":
 
375
#         elif key == "u" or key == ":":
294
376
#             self.proxy.unpause()
295
 
#         elif key == u"RET":
 
377
#         elif key == "RET":
296
378
#             self.open()
297
379
        else:
298
380
            return key
299
381
    
300
 
    def property_changed(self, property=None, value=None,
301
 
                         *args, **kwargs):
 
382
    def property_changed(self, property=None, **kwargs):
302
383
        """Call self.update() if old value is not new value.
303
384
        This overrides the method from MandosClientPropertyCache"""
304
385
        property_name = unicode(property)
305
386
        old_value = self.properties.get(property_name)
306
387
        super(MandosClientWidget, self).property_changed(
307
 
            property=property, value=value, *args, **kwargs)
 
388
            property=property, **kwargs)
308
389
        if self.properties.get(property_name) != old_value:
309
390
            self.update()
310
391
 
314
395
    "down" key presses, thus not allowing any containing widgets to
315
396
    use them as an excuse to shift focus away from this widget.
316
397
    """
317
 
    def keypress(self, (maxcol, maxrow), key):
318
 
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
319
 
        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"):
320
401
            return
321
402
        return ret
322
403
 
331
412
        self.screen = urwid.curses_display.Screen()
332
413
        
333
414
        self.screen.register_palette((
334
 
                (u"normal",
335
 
                 u"default", u"default", None),
336
 
                (u"bold",
337
 
                 u"default", u"default", u"bold"),
338
 
                (u"underline-blink",
339
 
                 u"default", u"default", u"underline"),
340
 
                (u"standout",
341
 
                 u"default", u"default", u"standout"),
342
 
                (u"bold-underline-blink",
343
 
                 u"default", u"default", (u"bold", u"underline")),
344
 
                (u"bold-standout",
345
 
                 u"default", u"default", (u"bold", u"standout")),
346
 
                (u"underline-blink-standout",
347
 
                 u"default", u"default", (u"underline", u"standout")),
348
 
                (u"bold-underline-blink-standout",
349
 
                 u"default", u"default", (u"bold", u"underline",
350
 
                                          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")),
351
432
                ))
352
433
        
353
434
        if urwid.supports_unicode():
354
 
            self.divider = u"─" # \u2500
355
 
            #self.divider = u"━" # \u2501
 
435
            self.divider = "─" # \u2500
 
436
            #self.divider = "━" # \u2501
356
437
        else:
357
 
            #self.divider = u"-" # \u002d
358
 
            self.divider = u"_" # \u005f
 
438
            #self.divider = "-" # \u002d
 
439
            self.divider = "_" # \u005f
359
440
        
360
441
        self.screen.start()
361
442
        
375
456
        # This keeps track of whether self.uilist currently has
376
457
        # self.logbox in it or not
377
458
        self.log_visible = True
378
 
        self.log_wrap = u"any"
 
459
        self.log_wrap = "any"
379
460
        
380
461
        self.rebuild()
381
 
        self.log_message_raw((u"bold",
382
 
                              u"Mandos Monitor version " + version))
383
 
        self.log_message_raw((u"bold",
384
 
                              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"))
385
466
        
386
467
        self.busname = domain + '.Mandos'
387
468
        self.main_loop = gobject.MainLoop()
388
 
        self.bus = dbus.SystemBus()
389
 
        mandos_dbus_objc = self.bus.get_object(
390
 
            self.busname, u"/", follow_name_owner_changes=True)
391
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
392
 
                                          dbus_interface
393
 
                                          = server_interface)
394
 
        try:
395
 
            mandos_clients = (self.mandos_serv
396
 
                              .GetAllClientsWithProperties())
397
 
        except dbus.exceptions.DBusException:
398
 
            mandos_clients = dbus.Dictionary()
399
 
        
400
 
        (self.mandos_serv
401
 
         .connect_to_signal(u"ClientRemoved",
402
 
                            self.find_and_remove_client,
403
 
                            dbus_interface=server_interface,
404
 
                            byte_arrays=True))
405
 
        (self.mandos_serv
406
 
         .connect_to_signal(u"ClientAdded",
407
 
                            self.add_new_client,
408
 
                            dbus_interface=server_interface,
409
 
                            byte_arrays=True))
410
 
        (self.mandos_serv
411
 
         .connect_to_signal(u"ClientNotFound",
412
 
                            self.client_not_found,
413
 
                            dbus_interface=server_interface,
414
 
                            byte_arrays=True))
415
 
        for path, client in mandos_clients.iteritems():
416
 
            client_proxy_object = self.bus.get_object(self.busname,
417
 
                                                      path)
418
 
            self.add_client(MandosClientWidget(server_proxy_object
419
 
                                               =self.mandos_serv,
420
 
                                               proxy_object
421
 
                                               =client_proxy_object,
422
 
                                               properties=client,
423
 
                                               update_hook
424
 
                                               =self.refresh,
425
 
                                               delete_hook
426
 
                                               =self.remove_client,
427
 
                                               logger
428
 
                                               =self.log_message),
429
 
                            path=path)
430
469
    
431
470
    def client_not_found(self, fingerprint, address):
432
 
        self.log_message((u"Client with address %s and fingerprint %s"
433
 
                          u" could not be found" % (address,
434
 
                                                    fingerprint)))
 
471
        self.log_message("Client with address {0} and fingerprint"
 
472
                         " {1} could not be found"
 
473
                         .format(address, fingerprint))
435
474
    
436
475
    def rebuild(self):
437
476
        """This rebuilds the User Interface.
438
477
        Call this when the widget layout needs to change"""
439
478
        self.uilist = []
440
479
        #self.uilist.append(urwid.ListBox(self.clients))
441
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
 
480
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
481
                                                          clients),
442
482
                                       #header=urwid.Divider(),
443
483
                                       header=None,
444
 
                                       footer=urwid.Divider(div_char=self.divider)))
 
484
                                       footer=
 
485
                                       urwid.Divider(div_char=
 
486
                                                     self.divider)))
445
487
        if self.log_visible:
446
488
            self.uilist.append(self.logbox)
447
 
            pass
448
489
        self.topwidget = urwid.Pile(self.uilist)
449
490
    
450
491
    def log_message(self, message):
451
492
        timestamp = datetime.datetime.now().isoformat()
452
 
        self.log_message_raw(timestamp + u": " + message)
 
493
        self.log_message_raw(timestamp + ": " + message)
453
494
    
454
495
    def log_message_raw(self, markup):
455
496
        """Add a log message to the log buffer."""
458
499
            and len(self.log) > self.max_log_length):
459
500
            del self.log[0:len(self.log)-self.max_log_length-1]
460
501
        self.logbox.set_focus(len(self.logbox.body.contents),
461
 
                              coming_from=u"above")
 
502
                              coming_from="above")
462
503
        self.refresh()
463
504
    
464
505
    def toggle_log_display(self):
465
506
        """Toggle visibility of the log buffer."""
466
507
        self.log_visible = not self.log_visible
467
508
        self.rebuild()
468
 
        self.log_message(u"Log visibility changed to: "
469
 
                         + unicode(self.log_visible))
 
509
        #self.log_message("Log visibility changed to: "
 
510
        #                 + unicode(self.log_visible))
470
511
    
471
512
    def change_log_display(self):
472
513
        """Change type of log display.
473
514
        Currently, this toggles wrapping of text lines."""
474
 
        if self.log_wrap == u"clip":
475
 
            self.log_wrap = u"any"
 
515
        if self.log_wrap == "clip":
 
516
            self.log_wrap = "any"
476
517
        else:
477
 
            self.log_wrap = u"clip"
 
518
            self.log_wrap = "clip"
478
519
        for textwidget in self.log:
479
520
            textwidget.set_wrap_mode(self.log_wrap)
480
 
        self.log_message(u"Wrap mode: " + self.log_wrap)
 
521
        #self.log_message("Wrap mode: " + self.log_wrap)
481
522
    
482
523
    def find_and_remove_client(self, path, name):
483
 
        """Find an client from its object path and remove it.
 
524
        """Find a client by its object path and remove it.
484
525
        
485
526
        This is connected to the ClientRemoved signal from the
486
527
        Mandos server object."""
488
529
            client = self.clients_dict[path]
489
530
        except KeyError:
490
531
            # not found?
 
532
            self.log_message("Unknown client {0!r} ({1!r}) removed"
 
533
                             .format(name, path))
491
534
            return
492
 
        self.remove_client(client, path)
 
535
        client.delete()
493
536
    
494
537
    def add_new_client(self, path):
495
538
        client_proxy_object = self.bus.get_object(self.busname, path)
510
553
        if path is None:
511
554
            path = client.proxy.object_path
512
555
        self.clients_dict[path] = client
513
 
        self.clients.sort(None, lambda c: c.properties[u"name"])
 
556
        self.clients.sort(None, lambda c: c.properties["Name"])
514
557
        self.refresh()
515
558
    
516
559
    def remove_client(self, client, path=None):
532
575
    
533
576
    def run(self):
534
577
        """Start the main loop and exit when it's done."""
 
578
        self.bus = dbus.SystemBus()
 
579
        mandos_dbus_objc = self.bus.get_object(
 
580
            self.busname, "/", follow_name_owner_changes=True)
 
581
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
582
                                          dbus_interface
 
583
                                          = server_interface)
 
584
        try:
 
585
            mandos_clients = (self.mandos_serv
 
586
                              .GetAllClientsWithProperties())
 
587
        except dbus.exceptions.DBusException:
 
588
            mandos_clients = dbus.Dictionary()
 
589
        
 
590
        (self.mandos_serv
 
591
         .connect_to_signal("ClientRemoved",
 
592
                            self.find_and_remove_client,
 
593
                            dbus_interface=server_interface,
 
594
                            byte_arrays=True))
 
595
        (self.mandos_serv
 
596
         .connect_to_signal("ClientAdded",
 
597
                            self.add_new_client,
 
598
                            dbus_interface=server_interface,
 
599
                            byte_arrays=True))
 
600
        (self.mandos_serv
 
601
         .connect_to_signal("ClientNotFound",
 
602
                            self.client_not_found,
 
603
                            dbus_interface=server_interface,
 
604
                            byte_arrays=True))
 
605
        for path, client in mandos_clients.iteritems():
 
606
            client_proxy_object = self.bus.get_object(self.busname,
 
607
                                                      path)
 
608
            self.add_client(MandosClientWidget(server_proxy_object
 
609
                                               =self.mandos_serv,
 
610
                                               proxy_object
 
611
                                               =client_proxy_object,
 
612
                                               properties=client,
 
613
                                               update_hook
 
614
                                               =self.refresh,
 
615
                                               delete_hook
 
616
                                               =self.remove_client,
 
617
                                               logger
 
618
                                               =self.log_message),
 
619
                            path=path)
 
620
        
535
621
        self.refresh()
536
622
        self._input_callback_tag = (gobject.io_add_watch
537
623
                                    (sys.stdin.fileno(),
547
633
    
548
634
    def process_input(self, source, condition):
549
635
        keys = self.screen.get_input()
550
 
        translations = { u"ctrl n": u"down",      # Emacs
551
 
                         u"ctrl p": u"up",        # Emacs
552
 
                         u"ctrl v": u"page down", # Emacs
553
 
                         u"meta v": u"page up",   # Emacs
554
 
                         u" ": u"page down",      # less
555
 
                         u"f": u"page down",      # less
556
 
                         u"b": u"page up",        # less
557
 
                         u"j": u"down",           # vi
558
 
                         u"k": u"up",             # vi
 
636
        translations = { "ctrl n": "down",      # Emacs
 
637
                         "ctrl p": "up",        # Emacs
 
638
                         "ctrl v": "page down", # Emacs
 
639
                         "meta v": "page up",   # Emacs
 
640
                         " ": "page down",      # less
 
641
                         "f": "page down",      # less
 
642
                         "b": "page up",        # less
 
643
                         "j": "down",           # vi
 
644
                         "k": "up",             # vi
559
645
                         }
560
646
        for key in keys:
561
647
            try:
563
649
            except KeyError:    # :-)
564
650
                pass
565
651
            
566
 
            if key == u"q" or key == u"Q":
 
652
            if key == "q" or key == "Q":
567
653
                self.stop()
568
654
                break
569
 
            elif key == u"window resize":
 
655
            elif key == "window resize":
570
656
                self.size = self.screen.get_cols_rows()
571
657
                self.refresh()
572
 
            elif key == u"\f":  # Ctrl-L
 
658
            elif key == "\f":  # Ctrl-L
573
659
                self.refresh()
574
 
            elif key == u"l" or key == u"D":
 
660
            elif key == "l" or key == "D":
575
661
                self.toggle_log_display()
576
662
                self.refresh()
577
 
            elif key == u"w" or key == u"i":
 
663
            elif key == "w" or key == "i":
578
664
                self.change_log_display()
579
665
                self.refresh()
580
 
            elif key == u"?" or key == u"f1" or key == u"esc":
 
666
            elif key == "?" or key == "f1" or key == "esc":
581
667
                if not self.log_visible:
582
668
                    self.log_visible = True
583
669
                    self.rebuild()
584
 
                self.log_message_raw((u"bold",
585
 
                                      u"  ".
586
 
                                      join((u"q: Quit",
587
 
                                            u"?: Help",
588
 
                                            u"l: Log window toggle",
589
 
                                            u"TAB: Switch window",
590
 
                                            u"w: Wrap (log)"))))
591
 
                self.log_message_raw((u"bold",
592
 
                                      u"  "
593
 
                                      .join((u"Clients:",
594
 
                                             u"e: Enable",
595
 
                                             u"d: Disable",
596
 
                                             u"r: Remove",
597
 
                                             u"s: Start new checker",
598
 
                                             u"S: Stop checker",
599
 
                                             u"C: Checker OK"))))
 
670
                self.log_message_raw(("bold",
 
671
                                      "  ".
 
672
                                      join(("q: Quit",
 
673
                                            "?: Help",
 
674
                                            "l: Log window toggle",
 
675
                                            "TAB: Switch window",
 
676
                                            "w: Wrap (log)"))))
 
677
                self.log_message_raw(("bold",
 
678
                                      "  "
 
679
                                      .join(("Clients:",
 
680
                                             "+: Enable",
 
681
                                             "-: Disable",
 
682
                                             "R: Remove",
 
683
                                             "s: Start new checker",
 
684
                                             "S: Stop checker",
 
685
                                             "C: Checker OK",
 
686
                                             "a: Approve",
 
687
                                             "d: Deny"))))
600
688
                self.refresh()
601
 
            elif key == u"tab":
 
689
            elif key == "tab":
602
690
                if self.topwidget.get_focus() is self.logbox:
603
691
                    self.topwidget.set_focus(0)
604
692
                else:
605
693
                    self.topwidget.set_focus(self.logbox)
606
694
                self.refresh()
607
 
            #elif (key == u"end" or key == u"meta >" or key == u"G"
608
 
            #      or key == u">"):
 
695
            #elif (key == "end" or key == "meta >" or key == "G"
 
696
            #      or key == ">"):
609
697
            #    pass            # xxx end-of-buffer
610
 
            #elif (key == u"home" or key == u"meta <" or key == u"g"
611
 
            #      or key == u"<"):
 
698
            #elif (key == "home" or key == "meta <" or key == "g"
 
699
            #      or key == "<"):
612
700
            #    pass            # xxx beginning-of-buffer
613
 
            #elif key == u"ctrl e" or key == u"$":
 
701
            #elif key == "ctrl e" or key == "$":
614
702
            #    pass            # xxx move-end-of-line
615
 
            #elif key == u"ctrl a" or key == u"^":
 
703
            #elif key == "ctrl a" or key == "^":
616
704
            #    pass            # xxx move-beginning-of-line
617
 
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
705
            #elif key == "ctrl b" or key == "meta (" or key == "h":
618
706
            #    pass            # xxx left
619
 
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
707
            #elif key == "ctrl f" or key == "meta )" or key == "l":
620
708
            #    pass            # xxx right
621
 
            #elif key == u"a":
 
709
            #elif key == "a":
622
710
            #    pass            # scroll up log
623
 
            #elif key == u"z":
 
711
            #elif key == "z":
624
712
            #    pass            # scroll down log
625
713
            elif self.topwidget.selectable():
626
714
                self.topwidget.keypress(self.size, key)
630
718
ui = UserInterface()
631
719
try:
632
720
    ui.run()
 
721
except KeyboardInterrupt:
 
722
    ui.screen.stop()
633
723
except Exception, e:
634
724
    ui.log_message(unicode(e))
635
725
    ui.screen.stop()