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* mandos (ClientHandler.handle): Set up the GnuTLS session object
                                 before reading the protocol number.
 (ClientHandler.handle/ProxyObject): New.

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mandos-monitor
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1
#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
3
 
# 
4
 
# Mandos Monitor - Control and monitor the Mandos server
5
 
# 
6
 
# Copyright © 2009-2014 Teddy Hogeborn
7
 
# Copyright © 2009-2014 Björn Påhlsson
8
 
# 
9
 
# This program is free software: you can redistribute it and/or modify
10
 
# it under the terms of the GNU General Public License as published by
11
 
# the Free Software Foundation, either version 3 of the License, or
12
 
# (at your option) any later version.
13
 
#
14
 
#     This program is distributed in the hope that it will be useful,
15
 
#     but WITHOUT ANY WARRANTY; without even the implied warranty of
16
 
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17
 
#     GNU General Public License for more details.
18
 
# 
19
 
# You should have received a copy of the GNU General Public License
20
 
# along with this program.  If not, see
21
 
# <http://www.gnu.org/licenses/>.
22
 
# 
23
 
# Contact the authors at <mandos@recompile.se>.
24
 
# 
25
3
 
26
 
from __future__ import (division, absolute_import, print_function,
27
 
                        unicode_literals)
28
 
try:
29
 
    from future_builtins import *
30
 
except ImportError:
31
 
    pass
 
4
from __future__ import division, absolute_import, with_statement
32
5
 
33
6
import sys
34
7
import os
 
8
import signal
35
9
 
36
10
import datetime
37
11
 
39
13
import urwid
40
14
 
41
15
from dbus.mainloop.glib import DBusGMainLoop
42
 
try:
43
 
    import gobject
44
 
except ImportError:
45
 
    from gi.repository import GObject as gobject
 
16
import gobject
46
17
 
47
18
import dbus
48
19
 
 
20
import UserList
 
21
 
49
22
import locale
50
23
 
51
 
if sys.version_info[0] == 2:
52
 
    str = unicode
53
 
 
54
 
locale.setlocale(locale.LC_ALL, '')
55
 
 
56
 
import logging
57
 
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
 
24
locale.setlocale(locale.LC_ALL, u'')
58
25
 
59
26
# Some useful constants
60
 
domain = 'se.recompile'
 
27
domain = 'se.bsnet.fukt'
61
28
server_interface = domain + '.Mandos'
62
29
client_interface = domain + '.Mandos.Client'
63
 
version = "1.6.7"
64
 
 
65
 
def isoformat_to_datetime(iso):
66
 
    "Parse an ISO 8601 date string to a datetime.datetime()"
67
 
    if not iso:
68
 
        return None
69
 
    d, t = iso.split("T", 1)
70
 
    year, month, day = d.split("-", 2)
71
 
    hour, minute, second = t.split(":", 2)
72
 
    second, fraction = divmod(float(second), 1)
73
 
    return datetime.datetime(int(year),
74
 
                             int(month),
75
 
                             int(day),
76
 
                             int(hour),
77
 
                             int(minute),
78
 
                             int(second),           # Whole seconds
79
 
                             int(fraction*1000000)) # Microseconds
 
30
version = "1.0.14"
 
31
 
 
32
# Always run in monochrome mode
 
33
urwid.curses_display.curses.has_colors = lambda : False
 
34
 
 
35
# Urwid doesn't support blinking, but we want it.  Since we have no
 
36
# use for underline on its own, we make underline also always blink.
 
37
urwid.curses_display.curses.A_UNDERLINE |= (
 
38
    urwid.curses_display.curses.A_BLINK)
80
39
 
81
40
class MandosClientPropertyCache(object):
82
41
    """This wraps a Mandos Client D-Bus proxy object, caches the
83
42
    properties and calls a hook function when any of them are
84
43
    changed.
85
44
    """
86
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
45
    def __init__(self, proxy_object=None, *args, **kwargs):
87
46
        self.proxy = proxy_object # Mandos Client proxy object
88
 
        self.properties = dict() if properties is None else properties
89
 
        self.property_changed_match = (
90
 
            self.proxy.connect_to_signal("PropertyChanged",
91
 
                                         self._property_changed,
92
 
                                         client_interface,
93
 
                                         byte_arrays=True))
94
 
        
95
 
        if properties is None:
96
 
            self.properties.update(
97
 
                self.proxy.GetAll(client_interface,
98
 
                                  dbus_interface
99
 
                                  = dbus.PROPERTIES_IFACE))
100
 
        
101
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
102
 
    
103
 
    def _property_changed(self, property, value):
104
 
        """Helper which takes positional arguments"""
105
 
        return self.property_changed(property=property, value=value)
 
47
        
 
48
        self.properties = dict()
 
49
        self.proxy.connect_to_signal(u"PropertyChanged",
 
50
                                     self.property_changed,
 
51
                                     client_interface,
 
52
                                     byte_arrays=True)
 
53
 
 
54
        self.properties.update(
 
55
            self.proxy.GetAll(client_interface,
 
56
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
57
        super(MandosClientPropertyCache, self).__init__(
 
58
            proxy_object=proxy_object, *args, **kwargs)
106
59
    
107
60
    def property_changed(self, property=None, value=None):
108
61
        """This is called whenever we get a PropertyChanged signal
110
63
        """
111
64
        # Update properties dict with new value
112
65
        self.properties[property] = value
113
 
    
114
 
    def delete(self):
115
 
        self.property_changed_match.remove()
116
66
 
117
67
 
118
68
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
120
70
    """
121
71
    
122
72
    def __init__(self, server_proxy_object=None, update_hook=None,
123
 
                 delete_hook=None, logger=None, **kwargs):
 
73
                 delete_hook=None, logger=None, *args, **kwargs):
124
74
        # Called on update
125
75
        self.update_hook = update_hook
126
76
        # Called on delete
130
80
        # Logger
131
81
        self.logger = logger
132
82
        
133
 
        self._update_timer_callback_tag = None
134
 
        
135
83
        # The widget shown normally
136
 
        self._text_widget = urwid.Text("")
 
84
        self._text_widget = urwid.Text(u"")
137
85
        # The widget shown when we have focus
138
 
        self._focus_text_widget = urwid.Text("")
139
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
86
        self._focus_text_widget = urwid.Text(u"")
 
87
        super(MandosClientWidget, self).__init__(
 
88
            update_hook=update_hook, delete_hook=delete_hook,
 
89
            *args, **kwargs)
140
90
        self.update()
141
91
        self.opened = False
142
 
        
143
 
        self.match_objects = (
144
 
            self.proxy.connect_to_signal("CheckerCompleted",
145
 
                                         self.checker_completed,
146
 
                                         client_interface,
147
 
                                         byte_arrays=True),
148
 
            self.proxy.connect_to_signal("CheckerStarted",
149
 
                                         self.checker_started,
150
 
                                         client_interface,
151
 
                                         byte_arrays=True),
152
 
            self.proxy.connect_to_signal("GotSecret",
153
 
                                         self.got_secret,
154
 
                                         client_interface,
155
 
                                         byte_arrays=True),
156
 
            self.proxy.connect_to_signal("NeedApproval",
157
 
                                         self.need_approval,
158
 
                                         client_interface,
159
 
                                         byte_arrays=True),
160
 
            self.proxy.connect_to_signal("Rejected",
161
 
                                         self.rejected,
162
 
                                         client_interface,
163
 
                                         byte_arrays=True))
164
 
        self.logger('Created client {0}'
165
 
                    .format(self.properties["Name"]), level=0)
166
 
    
167
 
    def using_timer(self, flag):
168
 
        """Call this method with True or False when timer should be
169
 
        activated or deactivated.
170
 
        """
171
 
        if flag and self._update_timer_callback_tag is None:
172
 
            # Will update the shown timer value every second
173
 
            self._update_timer_callback_tag = (gobject.timeout_add
174
 
                                               (1000,
175
 
                                                self.update_timer))
176
 
        elif not (flag or self._update_timer_callback_tag is None):
177
 
            gobject.source_remove(self._update_timer_callback_tag)
178
 
            self._update_timer_callback_tag = None
 
92
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
93
                                     self.checker_completed,
 
94
                                     client_interface,
 
95
                                     byte_arrays=True)
 
96
        self.proxy.connect_to_signal(u"CheckerStarted",
 
97
                                     self.checker_started,
 
98
                                     client_interface,
 
99
                                     byte_arrays=True)
 
100
        self.proxy.connect_to_signal(u"GotSecret",
 
101
                                     self.got_secret,
 
102
                                     client_interface,
 
103
                                     byte_arrays=True)
 
104
        self.proxy.connect_to_signal(u"Rejected",
 
105
                                     self.rejected,
 
106
                                     client_interface,
 
107
                                     byte_arrays=True)
179
108
    
180
109
    def checker_completed(self, exitstatus, condition, command):
181
110
        if exitstatus == 0:
182
 
            self.logger('Checker for client {0} (command "{1}")'
183
 
                        ' succeeded'.format(self.properties["Name"],
184
 
                                            command), level=0)
185
 
            self.update()
 
111
            self.logger(u'Checker for client %s (command "%s")'
 
112
                        u' was successful'
 
113
                        % (self.properties[u"name"], command))
186
114
            return
187
 
        # Checker failed
188
115
        if os.WIFEXITED(condition):
189
 
            self.logger('Checker for client {0} (command "{1}")'
190
 
                        ' failed with exit code {2}'
191
 
                        .format(self.properties["Name"], command,
192
 
                                os.WEXITSTATUS(condition)))
193
 
        elif os.WIFSIGNALED(condition):
194
 
            self.logger('Checker for client {0} (command "{1}") was'
195
 
                        ' killed by signal {2}'
196
 
                        .format(self.properties["Name"], command,
197
 
                                os.WTERMSIG(condition)))
198
 
        elif os.WCOREDUMP(condition):
199
 
            self.logger('Checker for client {0} (command "{1}")'
200
 
                        ' dumped core'
201
 
                        .format(self.properties["Name"], command))
202
 
        else:
203
 
            self.logger('Checker for client {0} completed'
204
 
                        ' mysteriously'
205
 
                        .format(self.properties["Name"]))
206
 
        self.update()
 
116
            self.logger(u'Checker for client %s (command "%s")'
 
117
                        u' failed with exit code %s'
 
118
                        % (self.properties[u"name"], command,
 
119
                           os.WEXITSTATUS(condition)))
 
120
            return
 
121
        if os.WIFSIGNALED(condition):
 
122
            self.logger(u'Checker for client %s (command "%s")'
 
123
                        u' was killed by signal %s'
 
124
                        % (self.properties[u"name"], command,
 
125
                           os.WTERMSIG(condition)))
 
126
            return
 
127
        if os.WCOREDUMP(condition):
 
128
            self.logger(u'Checker for client %s (command "%s")'
 
129
                        u' dumped core'
 
130
                        % (self.properties[u"name"], command))
 
131
        self.logger(u'Checker for client %s completed mysteriously')
207
132
    
208
133
    def checker_started(self, command):
209
 
        """Server signals that a checker started."""
210
 
        self.logger('Client {0} started checker "{1}"'
211
 
                    .format(self.properties["Name"],
212
 
                            command), level=0)
 
134
        self.logger(u'Client %s started checker "%s"'
 
135
                    % (self.properties[u"name"], unicode(command)))
213
136
    
214
137
    def got_secret(self):
215
 
        self.logger('Client {0} received its secret'
216
 
                    .format(self.properties["Name"]))
217
 
    
218
 
    def need_approval(self, timeout, default):
219
 
        if not default:
220
 
            message = 'Client {0} needs approval within {1} seconds'
221
 
        else:
222
 
            message = 'Client {0} will get its secret in {1} seconds'
223
 
        self.logger(message.format(self.properties["Name"],
224
 
                                   timeout/1000))
225
 
    
226
 
    def rejected(self, reason):
227
 
        self.logger('Client {0} was rejected; reason: {1}'
228
 
                    .format(self.properties["Name"], reason))
 
138
        self.logger(u'Client %s received its secret'
 
139
                    % self.properties[u"name"])
 
140
    
 
141
    def rejected(self):
 
142
        self.logger(u'Client %s was rejected'
 
143
                    % self.properties[u"name"])
229
144
    
230
145
    def selectable(self):
231
146
        """Make this a "selectable" widget.
232
147
        This overrides the method from urwid.FlowWidget."""
233
148
        return True
234
149
    
235
 
    def rows(self, maxcolrow, focus=False):
 
150
    def rows(self, (maxcol,), focus=False):
236
151
        """How many rows this widget will occupy might depend on
237
152
        whether we have focus or not.
238
153
        This overrides the method from urwid.FlowWidget"""
239
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
154
        return self.current_widget(focus).rows((maxcol,), focus=focus)
240
155
    
241
156
    def current_widget(self, focus=False):
242
157
        if focus or self.opened:
246
161
    def update(self):
247
162
        "Called when what is visible on the screen should be updated."
248
163
        # How to add standout mode to a style
249
 
        with_standout = { "normal": "standout",
250
 
                          "bold": "bold-standout",
251
 
                          "underline-blink":
252
 
                              "underline-blink-standout",
253
 
                          "bold-underline-blink":
254
 
                              "bold-underline-blink-standout",
 
164
        with_standout = { u"normal": u"standout",
 
165
                          u"bold": u"bold-standout",
 
166
                          u"underline-blink":
 
167
                              u"underline-blink-standout",
 
168
                          u"bold-underline-blink":
 
169
                              u"bold-underline-blink-standout",
255
170
                          }
256
171
        
257
172
        # Rebuild focus and non-focus widgets using current properties
258
 
        
259
 
        # Base part of a client. Name!
260
 
        base = '{name}: '.format(name=self.properties["Name"])
261
 
        if not self.properties["Enabled"]:
262
 
            message = "DISABLED"
263
 
            self.using_timer(False)
264
 
        elif self.properties["ApprovalPending"]:
265
 
            timeout = datetime.timedelta(milliseconds
266
 
                                         = self.properties
267
 
                                         ["ApprovalDelay"])
268
 
            last_approval_request = isoformat_to_datetime(
269
 
                self.properties["LastApprovalRequest"])
270
 
            if last_approval_request is not None:
271
 
                timer = max(timeout - (datetime.datetime.utcnow()
272
 
                                       - last_approval_request),
273
 
                            datetime.timedelta())
274
 
            else:
275
 
                timer = datetime.timedelta()
276
 
            if self.properties["ApprovedByDefault"]:
277
 
                message = "Approval in {0}. (d)eny?"
278
 
            else:
279
 
                message = "Denial in {0}. (a)pprove?"
280
 
            message = message.format(str(timer).rsplit(".", 1)[0])
281
 
            self.using_timer(True)
282
 
        elif self.properties["LastCheckerStatus"] != 0:
283
 
            # When checker has failed, show timer until client expires
284
 
            expires = self.properties["Expires"]
285
 
            if expires == "":
286
 
                timer = datetime.timedelta(0)
287
 
            else:
288
 
                expires = (datetime.datetime.strptime
289
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
290
 
                timer = max(expires - datetime.datetime.utcnow(),
291
 
                            datetime.timedelta())
292
 
            message = ('A checker has failed! Time until client'
293
 
                       ' gets disabled: {0}'
294
 
                       .format(str(timer).rsplit(".", 1)[0]))
295
 
            self.using_timer(True)
296
 
        else:
297
 
            message = "enabled"
298
 
            self.using_timer(False)
299
 
        self._text = "{0}{1}".format(base, message)
300
 
        
 
173
        self._text = (u'%(name)s: %(enabled)s'
 
174
                      % { u"name": self.properties[u"name"],
 
175
                          u"enabled":
 
176
                              (u"enabled"
 
177
                               if self.properties[u"enabled"]
 
178
                               else u"DISABLED")})
301
179
        if not urwid.supports_unicode():
302
180
            self._text = self._text.encode("ascii", "replace")
303
 
        textlist = [("normal", self._text)]
 
181
        textlist = [(u"normal", self._text)]
304
182
        self._text_widget.set_text(textlist)
305
183
        self._focus_text_widget.set_text([(with_standout[text[0]],
306
184
                                           text[1])
314
192
        if self.update_hook is not None:
315
193
            self.update_hook()
316
194
    
317
 
    def update_timer(self):
318
 
        """called by gobject. Will indefinitely loop until
319
 
        gobject.source_remove() on tag is called"""
320
 
        self.update()
321
 
        return True             # Keep calling this
322
 
    
323
 
    def delete(self, **kwargs):
324
 
        if self._update_timer_callback_tag is not None:
325
 
            gobject.source_remove(self._update_timer_callback_tag)
326
 
            self._update_timer_callback_tag = None
327
 
        for match in self.match_objects:
328
 
            match.remove()
329
 
        self.match_objects = ()
 
195
    def delete(self):
330
196
        if self.delete_hook is not None:
331
197
            self.delete_hook(self)
332
 
        return super(MandosClientWidget, self).delete(**kwargs)
333
198
    
334
 
    def render(self, maxcolrow, focus=False):
 
199
    def render(self, (maxcol,), focus=False):
335
200
        """Render differently if we have focus.
336
201
        This overrides the method from urwid.FlowWidget"""
337
 
        return self.current_widget(focus).render(maxcolrow,
 
202
        return self.current_widget(focus).render((maxcol,),
338
203
                                                 focus=focus)
339
204
    
340
 
    def keypress(self, maxcolrow, key):
 
205
    def keypress(self, (maxcol,), key):
341
206
        """Handle keys.
342
207
        This overrides the method from urwid.FlowWidget"""
343
 
        if key == "+":
344
 
            self.proxy.Enable(dbus_interface = client_interface,
345
 
                              ignore_reply=True)
346
 
        elif key == "-":
347
 
            self.proxy.Disable(dbus_interface = client_interface,
348
 
                               ignore_reply=True)
349
 
        elif key == "a":
350
 
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
351
 
                               dbus_interface = client_interface,
352
 
                               ignore_reply=True)
353
 
        elif key == "d":
354
 
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
355
 
                                  dbus_interface = client_interface,
356
 
                               ignore_reply=True)
357
 
        elif key == "R" or key == "_" or key == "ctrl k":
 
208
        if key == u"e" or key == u"+":
 
209
            self.proxy.Enable()
 
210
        elif key == u"d" or key == u"-":
 
211
            self.proxy.Disable()
 
212
        elif key == u"r" or key == u"_" or key == u"ctrl k":
358
213
            self.server_proxy_object.RemoveClient(self.proxy
359
 
                                                  .object_path,
360
 
                                                  ignore_reply=True)
361
 
        elif key == "s":
362
 
            self.proxy.StartChecker(dbus_interface = client_interface,
363
 
                                    ignore_reply=True)
364
 
        elif key == "S":
365
 
            self.proxy.StopChecker(dbus_interface = client_interface,
366
 
                                   ignore_reply=True)
367
 
        elif key == "C":
368
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
369
 
                                 ignore_reply=True)
 
214
                                                  .object_path)
 
215
        elif key == u"s":
 
216
            self.proxy.StartChecker()
 
217
        elif key == u"S":
 
218
            self.proxy.StopChecker()
 
219
        elif key == u"C":
 
220
            self.proxy.CheckedOK()
370
221
        # xxx
371
 
#         elif key == "p" or key == "=":
 
222
#         elif key == u"p" or key == "=":
372
223
#             self.proxy.pause()
373
 
#         elif key == "u" or key == ":":
 
224
#         elif key == u"u" or key == ":":
374
225
#             self.proxy.unpause()
375
 
#         elif key == "RET":
 
226
#         elif key == u"RET":
376
227
#             self.open()
377
228
        else:
378
229
            return key
379
230
    
380
 
    def property_changed(self, property=None, **kwargs):
 
231
    def property_changed(self, property=None, value=None,
 
232
                         *args, **kwargs):
381
233
        """Call self.update() if old value is not new value.
382
234
        This overrides the method from MandosClientPropertyCache"""
383
 
        property_name = str(property)
 
235
        property_name = unicode(property)
384
236
        old_value = self.properties.get(property_name)
385
237
        super(MandosClientWidget, self).property_changed(
386
 
            property=property, **kwargs)
 
238
            property=property, value=value, *args, **kwargs)
387
239
        if self.properties.get(property_name) != old_value:
388
240
            self.update()
389
241
 
393
245
    "down" key presses, thus not allowing any containing widgets to
394
246
    use them as an excuse to shift focus away from this widget.
395
247
    """
396
 
    def keypress(self, *args, **kwargs):
397
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
398
 
        if ret in ("up", "down"):
 
248
    def keypress(self, (maxcol, maxrow), key):
 
249
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
 
250
        if ret in (u"up", u"down"):
399
251
            return
400
252
        return ret
401
253
 
404
256
    """This is the entire user interface - the whole screen
405
257
    with boxes, lists of client widgets, etc.
406
258
    """
407
 
    def __init__(self, max_log_length=1000, log_level=1):
 
259
    def __init__(self, max_log_length=1000):
408
260
        DBusGMainLoop(set_as_default=True)
409
261
        
410
262
        self.screen = urwid.curses_display.Screen()
411
263
        
412
264
        self.screen.register_palette((
413
 
                ("normal",
414
 
                 "default", "default", None),
415
 
                ("bold",
416
 
                 "bold", "default", "bold"),
417
 
                ("underline-blink",
418
 
                 "underline,blink", "default", "underline,blink"),
419
 
                ("standout",
420
 
                 "standout", "default", "standout"),
421
 
                ("bold-underline-blink",
422
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
423
 
                ("bold-standout",
424
 
                 "bold,standout", "default", "bold,standout"),
425
 
                ("underline-blink-standout",
426
 
                 "underline,blink,standout", "default",
427
 
                 "underline,blink,standout"),
428
 
                ("bold-underline-blink-standout",
429
 
                 "bold,underline,blink,standout", "default",
430
 
                 "bold,underline,blink,standout"),
 
265
                (u"normal",
 
266
                 u"default", u"default", None),
 
267
                (u"bold",
 
268
                 u"default", u"default", u"bold"),
 
269
                (u"underline-blink",
 
270
                 u"default", u"default", u"underline"),
 
271
                (u"standout",
 
272
                 u"default", u"default", u"standout"),
 
273
                (u"bold-underline-blink",
 
274
                 u"default", u"default", (u"bold", u"underline")),
 
275
                (u"bold-standout",
 
276
                 u"default", u"default", (u"bold", u"standout")),
 
277
                (u"underline-blink-standout",
 
278
                 u"default", u"default", (u"underline", u"standout")),
 
279
                (u"bold-underline-blink-standout",
 
280
                 u"default", u"default", (u"bold", u"underline",
 
281
                                          u"standout")),
431
282
                ))
432
283
        
433
284
        if urwid.supports_unicode():
434
 
            self.divider = "─" # \u2500
435
 
            #self.divider = "━" # \u2501
 
285
            self.divider = u"─" # \u2500
 
286
            #self.divider = u"━" # \u2501
436
287
        else:
437
 
            #self.divider = "-" # \u002d
438
 
            self.divider = "_" # \u005f
 
288
            #self.divider = u"-" # \u002d
 
289
            self.divider = u"_" # \u005f
439
290
        
440
291
        self.screen.start()
441
292
        
448
299
        self.log = []
449
300
        self.max_log_length = max_log_length
450
301
        
451
 
        self.log_level = log_level
452
 
        
453
302
        # We keep a reference to the log widget so we can remove it
454
303
        # from the ListWalker without it getting destroyed
455
304
        self.logbox = ConstrainedListBox(self.log)
457
306
        # This keeps track of whether self.uilist currently has
458
307
        # self.logbox in it or not
459
308
        self.log_visible = True
460
 
        self.log_wrap = "any"
 
309
        self.log_wrap = u"any"
461
310
        
462
311
        self.rebuild()
463
 
        self.log_message_raw(("bold",
464
 
                              "Mandos Monitor version " + version))
465
 
        self.log_message_raw(("bold",
466
 
                              "q: Quit  ?: Help"))
 
312
        self.log_message_raw((u"bold",
 
313
                              u"Mandos Monitor version " + version))
 
314
        self.log_message_raw((u"bold",
 
315
                              u"q: Quit  ?: Help"))
467
316
        
468
317
        self.busname = domain + '.Mandos'
469
318
        self.main_loop = gobject.MainLoop()
 
319
        self.bus = dbus.SystemBus()
 
320
        mandos_dbus_objc = self.bus.get_object(
 
321
            self.busname, u"/", follow_name_owner_changes=True)
 
322
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
323
                                          dbus_interface
 
324
                                          = server_interface)
 
325
        try:
 
326
            mandos_clients = (self.mandos_serv
 
327
                              .GetAllClientsWithProperties())
 
328
        except dbus.exceptions.DBusException:
 
329
            mandos_clients = dbus.Dictionary()
 
330
        
 
331
        (self.mandos_serv
 
332
         .connect_to_signal(u"ClientRemoved",
 
333
                            self.find_and_remove_client,
 
334
                            dbus_interface=server_interface,
 
335
                            byte_arrays=True))
 
336
        (self.mandos_serv
 
337
         .connect_to_signal(u"ClientAdded",
 
338
                            self.add_new_client,
 
339
                            dbus_interface=server_interface,
 
340
                            byte_arrays=True))
 
341
        (self.mandos_serv
 
342
         .connect_to_signal(u"ClientNotFound",
 
343
                            self.client_not_found,
 
344
                            dbus_interface=server_interface,
 
345
                            byte_arrays=True))
 
346
        for path, client in mandos_clients.iteritems():
 
347
            client_proxy_object = self.bus.get_object(self.busname,
 
348
                                                      path)
 
349
            self.add_client(MandosClientWidget(server_proxy_object
 
350
                                               =self.mandos_serv,
 
351
                                               proxy_object
 
352
                                               =client_proxy_object,
 
353
                                               properties=client,
 
354
                                               update_hook
 
355
                                               =self.refresh,
 
356
                                               delete_hook
 
357
                                               =self.remove_client,
 
358
                                               logger
 
359
                                               =self.log_message),
 
360
                            path=path)
470
361
    
471
362
    def client_not_found(self, fingerprint, address):
472
 
        self.log_message("Client with address {0} and fingerprint"
473
 
                         " {1} could not be found"
474
 
                         .format(address, fingerprint))
 
363
        self.log_message((u"Client with address %s and fingerprint %s"
 
364
                          u" could not be found" % (address,
 
365
                                                    fingerprint)))
475
366
    
476
367
    def rebuild(self):
477
368
        """This rebuilds the User Interface.
478
369
        Call this when the widget layout needs to change"""
479
370
        self.uilist = []
480
371
        #self.uilist.append(urwid.ListBox(self.clients))
481
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
482
 
                                                          clients),
 
372
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
483
373
                                       #header=urwid.Divider(),
484
374
                                       header=None,
485
 
                                       footer=
486
 
                                       urwid.Divider(div_char=
487
 
                                                     self.divider)))
 
375
                                       footer=urwid.Divider(div_char=self.divider)))
488
376
        if self.log_visible:
489
377
            self.uilist.append(self.logbox)
 
378
            pass
490
379
        self.topwidget = urwid.Pile(self.uilist)
491
380
    
492
 
    def log_message(self, message, level=1):
493
 
        """Log message formatted with timestamp"""
494
 
        if level < self.log_level:
495
 
            return
 
381
    def log_message(self, message):
496
382
        timestamp = datetime.datetime.now().isoformat()
497
 
        self.log_message_raw("{0}: {1}".format(timestamp, message),
498
 
                             level=level)
 
383
        self.log_message_raw(timestamp + u": " + message)
499
384
    
500
 
    def log_message_raw(self, markup, level=1):
 
385
    def log_message_raw(self, markup):
501
386
        """Add a log message to the log buffer."""
502
 
        if level < self.log_level:
503
 
            return
504
387
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
505
388
        if (self.max_log_length
506
389
            and len(self.log) > self.max_log_length):
507
390
            del self.log[0:len(self.log)-self.max_log_length-1]
508
391
        self.logbox.set_focus(len(self.logbox.body.contents),
509
 
                              coming_from="above")
 
392
                              coming_from=u"above")
510
393
        self.refresh()
511
394
    
512
395
    def toggle_log_display(self):
513
396
        """Toggle visibility of the log buffer."""
514
397
        self.log_visible = not self.log_visible
515
398
        self.rebuild()
516
 
        self.log_message("Log visibility changed to: {0}"
517
 
                         .format(self.log_visible), level=0)
 
399
        self.log_message(u"Log visibility changed to: "
 
400
                         + unicode(self.log_visible))
518
401
    
519
402
    def change_log_display(self):
520
403
        """Change type of log display.
521
404
        Currently, this toggles wrapping of text lines."""
522
 
        if self.log_wrap == "clip":
523
 
            self.log_wrap = "any"
 
405
        if self.log_wrap == u"clip":
 
406
            self.log_wrap = u"any"
524
407
        else:
525
 
            self.log_wrap = "clip"
 
408
            self.log_wrap = u"clip"
526
409
        for textwidget in self.log:
527
410
            textwidget.set_wrap_mode(self.log_wrap)
528
 
        self.log_message("Wrap mode: {0}".format(self.log_wrap),
529
 
                         level=0)
 
411
        self.log_message(u"Wrap mode: " + self.log_wrap)
530
412
    
531
413
    def find_and_remove_client(self, path, name):
532
 
        """Find a client by its object path and remove it.
 
414
        """Find an client from its object path and remove it.
533
415
        
534
416
        This is connected to the ClientRemoved signal from the
535
417
        Mandos server object."""
537
419
            client = self.clients_dict[path]
538
420
        except KeyError:
539
421
            # not found?
540
 
            self.log_message("Unknown client {0!r} ({1!r}) removed"
541
 
                             .format(name, path))
542
422
            return
543
 
        client.delete()
 
423
        self.remove_client(client, path)
544
424
    
545
425
    def add_new_client(self, path):
546
426
        client_proxy_object = self.bus.get_object(self.busname, path)
561
441
        if path is None:
562
442
            path = client.proxy.object_path
563
443
        self.clients_dict[path] = client
564
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
444
        self.clients.sort(None, lambda c: c.properties[u"name"])
565
445
        self.refresh()
566
446
    
567
447
    def remove_client(self, client, path=None):
569
449
        if path is None:
570
450
            path = client.proxy.object_path
571
451
        del self.clients_dict[path]
 
452
        if not self.clients_dict:
 
453
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
454
            # is completely emptied, we need to recreate it.
 
455
            self.clients = urwid.SimpleListWalker([])
 
456
            self.rebuild()
572
457
        self.refresh()
573
458
    
574
459
    def refresh(self):
578
463
    
579
464
    def run(self):
580
465
        """Start the main loop and exit when it's done."""
581
 
        self.bus = dbus.SystemBus()
582
 
        mandos_dbus_objc = self.bus.get_object(
583
 
            self.busname, "/", follow_name_owner_changes=True)
584
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
585
 
                                          dbus_interface
586
 
                                          = server_interface)
587
 
        try:
588
 
            mandos_clients = (self.mandos_serv
589
 
                              .GetAllClientsWithProperties())
590
 
            if not mandos_clients:
591
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
592
 
        except dbus.exceptions.DBusException:
593
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
594
 
            mandos_clients = dbus.Dictionary()
595
 
        
596
 
        (self.mandos_serv
597
 
         .connect_to_signal("ClientRemoved",
598
 
                            self.find_and_remove_client,
599
 
                            dbus_interface=server_interface,
600
 
                            byte_arrays=True))
601
 
        (self.mandos_serv
602
 
         .connect_to_signal("ClientAdded",
603
 
                            self.add_new_client,
604
 
                            dbus_interface=server_interface,
605
 
                            byte_arrays=True))
606
 
        (self.mandos_serv
607
 
         .connect_to_signal("ClientNotFound",
608
 
                            self.client_not_found,
609
 
                            dbus_interface=server_interface,
610
 
                            byte_arrays=True))
611
 
        for path, client in mandos_clients.items():
612
 
            client_proxy_object = self.bus.get_object(self.busname,
613
 
                                                      path)
614
 
            self.add_client(MandosClientWidget(server_proxy_object
615
 
                                               =self.mandos_serv,
616
 
                                               proxy_object
617
 
                                               =client_proxy_object,
618
 
                                               properties=client,
619
 
                                               update_hook
620
 
                                               =self.refresh,
621
 
                                               delete_hook
622
 
                                               =self.remove_client,
623
 
                                               logger
624
 
                                               =self.log_message),
625
 
                            path=path)
626
 
        
627
466
        self.refresh()
628
467
        self._input_callback_tag = (gobject.io_add_watch
629
468
                                    (sys.stdin.fileno(),
639
478
    
640
479
    def process_input(self, source, condition):
641
480
        keys = self.screen.get_input()
642
 
        translations = { "ctrl n": "down",      # Emacs
643
 
                         "ctrl p": "up",        # Emacs
644
 
                         "ctrl v": "page down", # Emacs
645
 
                         "meta v": "page up",   # Emacs
646
 
                         " ": "page down",      # less
647
 
                         "f": "page down",      # less
648
 
                         "b": "page up",        # less
649
 
                         "j": "down",           # vi
650
 
                         "k": "up",             # vi
 
481
        translations = { u"ctrl n": u"down",      # Emacs
 
482
                         u"ctrl p": u"up",        # Emacs
 
483
                         u"ctrl v": u"page down", # Emacs
 
484
                         u"meta v": u"page up",   # Emacs
 
485
                         u" ": u"page down",      # less
 
486
                         u"f": u"page down",      # less
 
487
                         u"b": u"page up",        # less
 
488
                         u"j": u"down",           # vi
 
489
                         u"k": u"up",             # vi
651
490
                         }
652
491
        for key in keys:
653
492
            try:
655
494
            except KeyError:    # :-)
656
495
                pass
657
496
            
658
 
            if key == "q" or key == "Q":
 
497
            if key == u"q" or key == u"Q":
659
498
                self.stop()
660
499
                break
661
 
            elif key == "window resize":
 
500
            elif key == u"window resize":
662
501
                self.size = self.screen.get_cols_rows()
663
502
                self.refresh()
664
 
            elif key == "ctrl l":
665
 
                self.screen.clear()
 
503
            elif key == u"\f":  # Ctrl-L
666
504
                self.refresh()
667
 
            elif key == "l" or key == "D":
 
505
            elif key == u"l" or key == u"D":
668
506
                self.toggle_log_display()
669
507
                self.refresh()
670
 
            elif key == "w" or key == "i":
 
508
            elif key == u"w" or key == u"i":
671
509
                self.change_log_display()
672
510
                self.refresh()
673
 
            elif key == "?" or key == "f1" or key == "esc":
 
511
            elif key == u"?" or key == u"f1" or key == u"esc":
674
512
                if not self.log_visible:
675
513
                    self.log_visible = True
676
514
                    self.rebuild()
677
 
                self.log_message_raw(("bold",
678
 
                                      "  ".
679
 
                                      join(("q: Quit",
680
 
                                            "?: Help",
681
 
                                            "l: Log window toggle",
682
 
                                            "TAB: Switch window",
683
 
                                            "w: Wrap (log lines)",
684
 
                                            "v: Toggle verbose log",
685
 
                                            ))))
686
 
                self.log_message_raw(("bold",
687
 
                                      "  "
688
 
                                      .join(("Clients:",
689
 
                                             "+: Enable",
690
 
                                             "-: Disable",
691
 
                                             "R: Remove",
692
 
                                             "s: Start new checker",
693
 
                                             "S: Stop checker",
694
 
                                             "C: Checker OK",
695
 
                                             "a: Approve",
696
 
                                             "d: Deny"))))
 
515
                self.log_message_raw((u"bold",
 
516
                                      u"  ".
 
517
                                      join((u"q: Quit",
 
518
                                            u"?: Help",
 
519
                                            u"l: Log window toggle",
 
520
                                            u"TAB: Switch window",
 
521
                                            u"w: Wrap (log)"))))
 
522
                self.log_message_raw((u"bold",
 
523
                                      u"  "
 
524
                                      .join((u"Clients:",
 
525
                                             u"e: Enable",
 
526
                                             u"d: Disable",
 
527
                                             u"r: Remove",
 
528
                                             u"s: Start new checker",
 
529
                                             u"S: Stop checker",
 
530
                                             u"C: Checker OK"))))
697
531
                self.refresh()
698
 
            elif key == "tab":
 
532
            elif key == u"tab":
699
533
                if self.topwidget.get_focus() is self.logbox:
700
534
                    self.topwidget.set_focus(0)
701
535
                else:
702
536
                    self.topwidget.set_focus(self.logbox)
703
537
                self.refresh()
704
 
            elif key == "v":
705
 
                if self.log_level == 0:
706
 
                    self.log_level = 1
707
 
                    self.log_message("Verbose mode: Off")
708
 
                else:
709
 
                    self.log_level = 0
710
 
                    self.log_message("Verbose mode: On")
711
 
            #elif (key == "end" or key == "meta >" or key == "G"
712
 
            #      or key == ">"):
 
538
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
539
            #      or key == u">"):
713
540
            #    pass            # xxx end-of-buffer
714
 
            #elif (key == "home" or key == "meta <" or key == "g"
715
 
            #      or key == "<"):
 
541
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
542
            #      or key == u"<"):
716
543
            #    pass            # xxx beginning-of-buffer
717
 
            #elif key == "ctrl e" or key == "$":
 
544
            #elif key == u"ctrl e" or key == u"$":
718
545
            #    pass            # xxx move-end-of-line
719
 
            #elif key == "ctrl a" or key == "^":
 
546
            #elif key == u"ctrl a" or key == u"^":
720
547
            #    pass            # xxx move-beginning-of-line
721
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
548
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
722
549
            #    pass            # xxx left
723
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
550
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
724
551
            #    pass            # xxx right
725
 
            #elif key == "a":
 
552
            #elif key == u"a":
726
553
            #    pass            # scroll up log
727
 
            #elif key == "z":
 
554
            #elif key == u"z":
728
555
            #    pass            # scroll down log
729
556
            elif self.topwidget.selectable():
730
557
                self.topwidget.keypress(self.size, key)
734
561
ui = UserInterface()
735
562
try:
736
563
    ui.run()
737
 
except KeyboardInterrupt:
738
 
    ui.screen.stop()
739
 
except Exception as e:
740
 
    ui.log_message(str(e))
 
564
except Exception, e:
 
565
    ui.log_message(unicode(e))
741
566
    ui.screen.stop()
742
567
    raise