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* Makefile (DOCS): Added "mandos-ctl.8".
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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, '')
 
24
locale.setlocale(locale.LC_ALL, u'')
55
25
 
56
26
import logging
57
27
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
58
28
 
59
29
# Some useful constants
60
 
domain = 'se.recompile'
 
30
domain = 'se.bsnet.fukt'
61
31
server_interface = domain + '.Mandos'
62
32
client_interface = domain + '.Mandos.Client'
63
 
version = "1.6.5"
 
33
version = "1.0.15"
 
34
 
 
35
# Always run in monochrome mode
 
36
urwid.curses_display.curses.has_colors = lambda : False
 
37
 
 
38
# Urwid doesn't support blinking, but we want it.  Since we have no
 
39
# use for underline on its own, we make underline also always blink.
 
40
urwid.curses_display.curses.A_UNDERLINE |= (
 
41
    urwid.curses_display.curses.A_BLINK)
64
42
 
65
43
def isoformat_to_datetime(iso):
66
44
    "Parse an ISO 8601 date string to a datetime.datetime()"
67
45
    if not iso:
68
46
        return None
69
 
    d, t = iso.split("T", 1)
70
 
    year, month, day = d.split("-", 2)
71
 
    hour, minute, second = t.split(":", 2)
 
47
    d, t = iso.split(u"T", 1)
 
48
    year, month, day = d.split(u"-", 2)
 
49
    hour, minute, second = t.split(u":", 2)
72
50
    second, fraction = divmod(float(second), 1)
73
51
    return datetime.datetime(int(year),
74
52
                             int(month),
83
61
    properties and calls a hook function when any of them are
84
62
    changed.
85
63
    """
86
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
64
    def __init__(self, proxy_object=None, *args, **kwargs):
87
65
        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)
 
66
        
 
67
        self.properties = dict()
 
68
        self.proxy.connect_to_signal(u"PropertyChanged",
 
69
                                     self.property_changed,
 
70
                                     client_interface,
 
71
                                     byte_arrays=True)
 
72
        
 
73
        self.properties.update(
 
74
            self.proxy.GetAll(client_interface,
 
75
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
76
 
 
77
        #XXX This break good super behaviour!
 
78
#        super(MandosClientPropertyCache, self).__init__(
 
79
#            *args, **kwargs)
106
80
    
107
81
    def property_changed(self, property=None, value=None):
108
82
        """This is called whenever we get a PropertyChanged signal
110
84
        """
111
85
        # Update properties dict with new value
112
86
        self.properties[property] = value
113
 
    
114
 
    def delete(self):
115
 
        self.property_changed_match.remove()
116
87
 
117
88
 
118
89
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
120
91
    """
121
92
    
122
93
    def __init__(self, server_proxy_object=None, update_hook=None,
123
 
                 delete_hook=None, logger=None, **kwargs):
 
94
                 delete_hook=None, logger=None, *args, **kwargs):
124
95
        # Called on update
125
96
        self.update_hook = update_hook
126
97
        # Called on delete
131
102
        self.logger = logger
132
103
        
133
104
        self._update_timer_callback_tag = None
 
105
        self.last_checker_failed = False
134
106
        
135
107
        # The widget shown normally
136
 
        self._text_widget = urwid.Text("")
 
108
        self._text_widget = urwid.Text(u"")
137
109
        # The widget shown when we have focus
138
 
        self._focus_text_widget = urwid.Text("")
139
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
110
        self._focus_text_widget = urwid.Text(u"")
 
111
        super(MandosClientWidget, self).__init__(
 
112
            update_hook=update_hook, delete_hook=delete_hook,
 
113
            *args, **kwargs)
140
114
        self.update()
141
115
        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"]))
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
 
116
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
117
                                     self.checker_completed,
 
118
                                     client_interface,
 
119
                                     byte_arrays=True)
 
120
        self.proxy.connect_to_signal(u"CheckerStarted",
 
121
                                     self.checker_started,
 
122
                                     client_interface,
 
123
                                     byte_arrays=True)
 
124
        self.proxy.connect_to_signal(u"GotSecret",
 
125
                                     self.got_secret,
 
126
                                     client_interface,
 
127
                                     byte_arrays=True)
 
128
        self.proxy.connect_to_signal(u"NeedApproval",
 
129
                                     self.need_approval,
 
130
                                     client_interface,
 
131
                                     byte_arrays=True)
 
132
        self.proxy.connect_to_signal(u"Rejected",
 
133
                                     self.rejected,
 
134
                                     client_interface,
 
135
                                     byte_arrays=True)
 
136
        last_checked_ok = isoformat_to_datetime(self.properties
 
137
                                                [u"LastCheckedOK"])
 
138
        if last_checked_ok is None:
 
139
            self.last_checker_failed = True
 
140
        else:
 
141
            self.last_checker_failed = ((datetime.datetime.utcnow()
 
142
                                         - last_checked_ok)
 
143
                                        > datetime.timedelta
 
144
                                        (milliseconds=
 
145
                                         self.properties
 
146
                                         [u"Interval"]))
 
147
        if self.last_checker_failed:
173
148
            self._update_timer_callback_tag = (gobject.timeout_add
174
149
                                               (1000,
175
150
                                                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
179
151
    
180
152
    def checker_completed(self, exitstatus, condition, command):
181
153
        if exitstatus == 0:
 
154
            if self.last_checker_failed:
 
155
                self.last_checker_failed = False
 
156
                gobject.source_remove(self._update_timer_callback_tag)
 
157
                self._update_timer_callback_tag = None
 
158
            #self.logger(u'Checker for client %s (command "%s")'
 
159
            #            u' was successful'
 
160
            #            % (self.properties[u"Name"], command))
182
161
            self.update()
183
162
            return
184
163
        # Checker failed
 
164
        if not self.last_checker_failed:
 
165
            self.last_checker_failed = True
 
166
            self._update_timer_callback_tag = (gobject.timeout_add
 
167
                                               (1000,
 
168
                                                self.update_timer))
185
169
        if os.WIFEXITED(condition):
186
 
            self.logger('Checker for client {0} (command "{1}")'
187
 
                        ' failed with exit code {2}'
188
 
                        .format(self.properties["Name"], command,
189
 
                                os.WEXITSTATUS(condition)))
 
170
            self.logger(u'Checker for client %s (command "%s")'
 
171
                        u' failed with exit code %s'
 
172
                        % (self.properties[u"Name"], command,
 
173
                           os.WEXITSTATUS(condition)))
190
174
        elif os.WIFSIGNALED(condition):
191
 
            self.logger('Checker for client {0} (command "{1}") was'
192
 
                        ' killed by signal {2}'
193
 
                        .format(self.properties["Name"], command,
194
 
                                os.WTERMSIG(condition)))
 
175
            self.logger(u'Checker for client %s (command "%s")'
 
176
                        u' was killed by signal %s'
 
177
                        % (self.properties[u"Name"], command,
 
178
                           os.WTERMSIG(condition)))
195
179
        elif os.WCOREDUMP(condition):
196
 
            self.logger('Checker for client {0} (command "{1}")'
197
 
                        ' dumped core'
198
 
                        .format(self.properties["Name"], command))
 
180
            self.logger(u'Checker for client %s (command "%s")'
 
181
                        u' dumped core'
 
182
                        % (self.properties[u"Name"], command))
199
183
        else:
200
 
            self.logger('Checker for client {0} completed'
201
 
                        ' mysteriously'
202
 
                        .format(self.properties["Name"]))
 
184
            self.logger(u'Checker for client %s completed'
 
185
                        u' mysteriously')
203
186
        self.update()
204
187
    
205
188
    def checker_started(self, command):
206
 
        """Server signals that a checker started. This could be useful
207
 
           to log in the future. """
208
 
        #self.logger('Client {0} started checker "{1}"'
209
 
        #            .format(self.properties["Name"],
210
 
        #                    str(command)))
 
189
        #self.logger(u'Client %s started checker "%s"'
 
190
        #            % (self.properties[u"Name"], unicode(command)))
211
191
        pass
212
192
    
213
193
    def got_secret(self):
214
 
        self.logger('Client {0} received its secret'
215
 
                    .format(self.properties["Name"]))
 
194
        self.last_checker_failed = False
 
195
        self.logger(u'Client %s received its secret'
 
196
                    % self.properties[u"Name"])
216
197
    
217
198
    def need_approval(self, timeout, default):
218
199
        if not default:
219
 
            message = 'Client {0} needs approval within {1} seconds'
 
200
            message = u'Client %s needs approval within %s seconds'
220
201
        else:
221
 
            message = 'Client {0} will get its secret in {1} seconds'
222
 
        self.logger(message.format(self.properties["Name"],
223
 
                                   timeout/1000))
 
202
            message = u'Client %s will get its secret in %s seconds'
 
203
        self.logger(message
 
204
                    % (self.properties[u"Name"], timeout/1000))
224
205
    
225
206
    def rejected(self, reason):
226
 
        self.logger('Client {0} was rejected; reason: {1}'
227
 
                    .format(self.properties["Name"], reason))
 
207
        self.logger(u'Client %s was rejected; reason: %s'
 
208
                    % (self.properties[u"Name"], reason))
228
209
    
229
210
    def selectable(self):
230
211
        """Make this a "selectable" widget.
231
212
        This overrides the method from urwid.FlowWidget."""
232
213
        return True
233
214
    
234
 
    def rows(self, maxcolrow, focus=False):
 
215
    def rows(self, (maxcol,), focus=False):
235
216
        """How many rows this widget will occupy might depend on
236
217
        whether we have focus or not.
237
218
        This overrides the method from urwid.FlowWidget"""
238
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
219
        return self.current_widget(focus).rows((maxcol,), focus=focus)
239
220
    
240
221
    def current_widget(self, focus=False):
241
222
        if focus or self.opened:
245
226
    def update(self):
246
227
        "Called when what is visible on the screen should be updated."
247
228
        # How to add standout mode to a style
248
 
        with_standout = { "normal": "standout",
249
 
                          "bold": "bold-standout",
250
 
                          "underline-blink":
251
 
                              "underline-blink-standout",
252
 
                          "bold-underline-blink":
253
 
                              "bold-underline-blink-standout",
 
229
        with_standout = { u"normal": u"standout",
 
230
                          u"bold": u"bold-standout",
 
231
                          u"underline-blink":
 
232
                              u"underline-blink-standout",
 
233
                          u"bold-underline-blink":
 
234
                              u"bold-underline-blink-standout",
254
235
                          }
255
 
        
 
236
 
256
237
        # Rebuild focus and non-focus widgets using current properties
257
 
        
 
238
 
258
239
        # Base part of a client. Name!
259
 
        base = '{name}: '.format(name=self.properties["Name"])
260
 
        if not self.properties["Enabled"]:
261
 
            message = "DISABLED"
262
 
            self.using_timer(False)
263
 
        elif self.properties["ApprovalPending"]:
 
240
        base = (u'%(name)s: '
 
241
                      % {u"name": self.properties[u"Name"]})
 
242
        if not self.properties[u"Enabled"]:
 
243
            message = u"DISABLED"
 
244
        elif self.properties[u"ApprovalPending"]:
 
245
            if self.properties[u"ApprovedByDefault"]:
 
246
                message = u"Connection established to client. (d)eny?"
 
247
            else:
 
248
                message = u"Seeks approval to send secret. (a)pprove?"
 
249
        elif self.last_checker_failed:
264
250
            timeout = datetime.timedelta(milliseconds
265
251
                                         = self.properties
266
 
                                         ["ApprovalDelay"])
267
 
            last_approval_request = isoformat_to_datetime(
268
 
                self.properties["LastApprovalRequest"])
269
 
            if last_approval_request is not None:
270
 
                timer = max(timeout - (datetime.datetime.utcnow()
271
 
                                       - last_approval_request),
272
 
                            datetime.timedelta())
273
 
            else:
274
 
                timer = datetime.timedelta()
275
 
            if self.properties["ApprovedByDefault"]:
276
 
                message = "Approval in {0}. (d)eny?"
277
 
            else:
278
 
                message = "Denial in {0}. (a)pprove?"
279
 
            message = message.format(str(timer).rsplit(".", 1)[0])
280
 
            self.using_timer(True)
281
 
        elif self.properties["LastCheckerStatus"] != 0:
282
 
            # When checker has failed, show timer until client expires
283
 
            expires = self.properties["Expires"]
284
 
            if expires == "":
285
 
                timer = datetime.timedelta(0)
286
 
            else:
287
 
                expires = (datetime.datetime.strptime
288
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
289
 
                timer = max(expires - datetime.datetime.utcnow(),
290
 
                            datetime.timedelta())
291
 
            message = ('A checker has failed! Time until client'
292
 
                       ' gets disabled: {0}'
293
 
                       .format(str(timer).rsplit(".", 1)[0]))
294
 
            self.using_timer(True)
 
252
                                         [u"Timeout"])
 
253
            last_ok = isoformat_to_datetime(
 
254
                max((self.properties[u"LastCheckedOK"]
 
255
                     or self.properties[u"Created"]),
 
256
                    self.properties[u"LastEnabled"]))
 
257
            timer = timeout - (datetime.datetime.utcnow() - last_ok)
 
258
            message = (u'A checker has failed! Time until client'
 
259
                       u' gets diabled: %s'
 
260
                           % unicode(timer).rsplit(".", 1)[0])
295
261
        else:
296
 
            message = "enabled"
297
 
            self.using_timer(False)
298
 
        self._text = "{0}{1}".format(base, message)
299
 
        
 
262
            message = u"enabled"
 
263
        self._text = "%s%s" % (base, message)
 
264
            
300
265
        if not urwid.supports_unicode():
301
266
            self._text = self._text.encode("ascii", "replace")
302
 
        textlist = [("normal", self._text)]
 
267
        textlist = [(u"normal", self._text)]
303
268
        self._text_widget.set_text(textlist)
304
269
        self._focus_text_widget.set_text([(with_standout[text[0]],
305
270
                                           text[1])
314
279
            self.update_hook()
315
280
    
316
281
    def update_timer(self):
317
 
        """called by gobject. Will indefinitely loop until
318
 
        gobject.source_remove() on tag is called"""
 
282
        "called by gobject"
319
283
        self.update()
320
284
        return True             # Keep calling this
321
285
    
322
 
    def delete(self, **kwargs):
 
286
    def delete(self):
323
287
        if self._update_timer_callback_tag is not None:
324
288
            gobject.source_remove(self._update_timer_callback_tag)
325
289
            self._update_timer_callback_tag = None
326
 
        for match in self.match_objects:
327
 
            match.remove()
328
 
        self.match_objects = ()
329
290
        if self.delete_hook is not None:
330
291
            self.delete_hook(self)
331
 
        return super(MandosClientWidget, self).delete(**kwargs)
332
292
    
333
 
    def render(self, maxcolrow, focus=False):
 
293
    def render(self, (maxcol,), focus=False):
334
294
        """Render differently if we have focus.
335
295
        This overrides the method from urwid.FlowWidget"""
336
 
        return self.current_widget(focus).render(maxcolrow,
 
296
        return self.current_widget(focus).render((maxcol,),
337
297
                                                 focus=focus)
338
298
    
339
 
    def keypress(self, maxcolrow, key):
 
299
    def keypress(self, (maxcol,), key):
340
300
        """Handle keys.
341
301
        This overrides the method from urwid.FlowWidget"""
342
 
        if key == "+":
343
 
            self.proxy.Enable(dbus_interface = client_interface,
344
 
                              ignore_reply=True)
345
 
        elif key == "-":
346
 
            self.proxy.Disable(dbus_interface = client_interface,
347
 
                               ignore_reply=True)
348
 
        elif key == "a":
 
302
        if key == u"+":
 
303
            self.proxy.Enable(dbus_interface = client_interface)
 
304
        elif key == u"-":
 
305
            self.proxy.Disable(dbus_interface = client_interface)
 
306
        elif key == u"a":
349
307
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
350
 
                               dbus_interface = client_interface,
351
 
                               ignore_reply=True)
352
 
        elif key == "d":
 
308
                               dbus_interface = client_interface)
 
309
        elif key == u"d":
353
310
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
354
 
                                  dbus_interface = client_interface,
355
 
                               ignore_reply=True)
356
 
        elif key == "R" or key == "_" or key == "ctrl k":
 
311
                                  dbus_interface = client_interface)
 
312
        elif key == u"r" or key == u"_" or key == u"ctrl k":
357
313
            self.server_proxy_object.RemoveClient(self.proxy
358
 
                                                  .object_path,
359
 
                                                  ignore_reply=True)
360
 
        elif key == "s":
361
 
            self.proxy.StartChecker(dbus_interface = client_interface,
362
 
                                    ignore_reply=True)
363
 
        elif key == "S":
364
 
            self.proxy.StopChecker(dbus_interface = client_interface,
365
 
                                   ignore_reply=True)
366
 
        elif key == "C":
367
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
368
 
                                 ignore_reply=True)
 
314
                                                  .object_path)
 
315
        elif key == u"s":
 
316
            self.proxy.StartChecker(dbus_interface = client_interface)
 
317
        elif key == u"S":
 
318
            self.proxy.StopChecker(dbus_interface = client_interface)
 
319
        elif key == u"C":
 
320
            self.proxy.CheckedOK(dbus_interface = client_interface)
369
321
        # xxx
370
 
#         elif key == "p" or key == "=":
 
322
#         elif key == u"p" or key == "=":
371
323
#             self.proxy.pause()
372
 
#         elif key == "u" or key == ":":
 
324
#         elif key == u"u" or key == ":":
373
325
#             self.proxy.unpause()
374
 
#         elif key == "RET":
 
326
#         elif key == u"RET":
375
327
#             self.open()
376
328
        else:
377
329
            return key
378
330
    
379
 
    def property_changed(self, property=None, **kwargs):
 
331
    def property_changed(self, property=None, value=None,
 
332
                         *args, **kwargs):
380
333
        """Call self.update() if old value is not new value.
381
334
        This overrides the method from MandosClientPropertyCache"""
382
 
        property_name = str(property)
 
335
        property_name = unicode(property)
383
336
        old_value = self.properties.get(property_name)
384
337
        super(MandosClientWidget, self).property_changed(
385
 
            property=property, **kwargs)
 
338
            property=property, value=value, *args, **kwargs)
386
339
        if self.properties.get(property_name) != old_value:
387
340
            self.update()
388
341
 
392
345
    "down" key presses, thus not allowing any containing widgets to
393
346
    use them as an excuse to shift focus away from this widget.
394
347
    """
395
 
    def keypress(self, *args, **kwargs):
396
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
397
 
        if ret in ("up", "down"):
 
348
    def keypress(self, (maxcol, maxrow), key):
 
349
        ret = super(ConstrainedListBox, self).keypress((maxcol,
 
350
                                                        maxrow), key)
 
351
        if ret in (u"up", u"down"):
398
352
            return
399
353
        return ret
400
354
 
409
363
        self.screen = urwid.curses_display.Screen()
410
364
        
411
365
        self.screen.register_palette((
412
 
                ("normal",
413
 
                 "default", "default", None),
414
 
                ("bold",
415
 
                 "bold", "default", "bold"),
416
 
                ("underline-blink",
417
 
                 "underline,blink", "default", "underline,blink"),
418
 
                ("standout",
419
 
                 "standout", "default", "standout"),
420
 
                ("bold-underline-blink",
421
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
422
 
                ("bold-standout",
423
 
                 "bold,standout", "default", "bold,standout"),
424
 
                ("underline-blink-standout",
425
 
                 "underline,blink,standout", "default",
426
 
                 "underline,blink,standout"),
427
 
                ("bold-underline-blink-standout",
428
 
                 "bold,underline,blink,standout", "default",
429
 
                 "bold,underline,blink,standout"),
 
366
                (u"normal",
 
367
                 u"default", u"default", None),
 
368
                (u"bold",
 
369
                 u"default", u"default", u"bold"),
 
370
                (u"underline-blink",
 
371
                 u"default", u"default", u"underline"),
 
372
                (u"standout",
 
373
                 u"default", u"default", u"standout"),
 
374
                (u"bold-underline-blink",
 
375
                 u"default", u"default", (u"bold", u"underline")),
 
376
                (u"bold-standout",
 
377
                 u"default", u"default", (u"bold", u"standout")),
 
378
                (u"underline-blink-standout",
 
379
                 u"default", u"default", (u"underline", u"standout")),
 
380
                (u"bold-underline-blink-standout",
 
381
                 u"default", u"default", (u"bold", u"underline",
 
382
                                          u"standout")),
430
383
                ))
431
384
        
432
385
        if urwid.supports_unicode():
433
 
            self.divider = "─" # \u2500
434
 
            #self.divider = "━" # \u2501
 
386
            self.divider = u"─" # \u2500
 
387
            #self.divider = u"━" # \u2501
435
388
        else:
436
 
            #self.divider = "-" # \u002d
437
 
            self.divider = "_" # \u005f
 
389
            #self.divider = u"-" # \u002d
 
390
            self.divider = u"_" # \u005f
438
391
        
439
392
        self.screen.start()
440
393
        
454
407
        # This keeps track of whether self.uilist currently has
455
408
        # self.logbox in it or not
456
409
        self.log_visible = True
457
 
        self.log_wrap = "any"
 
410
        self.log_wrap = u"any"
458
411
        
459
412
        self.rebuild()
460
 
        self.log_message_raw(("bold",
461
 
                              "Mandos Monitor version " + version))
462
 
        self.log_message_raw(("bold",
463
 
                              "q: Quit  ?: Help"))
 
413
        self.log_message_raw((u"bold",
 
414
                              u"Mandos Monitor version " + version))
 
415
        self.log_message_raw((u"bold",
 
416
                              u"q: Quit  ?: Help"))
464
417
        
465
418
        self.busname = domain + '.Mandos'
466
419
        self.main_loop = gobject.MainLoop()
 
420
        self.bus = dbus.SystemBus()
 
421
        mandos_dbus_objc = self.bus.get_object(
 
422
            self.busname, u"/", follow_name_owner_changes=True)
 
423
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
424
                                          dbus_interface
 
425
                                          = server_interface)
 
426
        try:
 
427
            mandos_clients = (self.mandos_serv
 
428
                              .GetAllClientsWithProperties())
 
429
        except dbus.exceptions.DBusException:
 
430
            mandos_clients = dbus.Dictionary()
 
431
        
 
432
        (self.mandos_serv
 
433
         .connect_to_signal(u"ClientRemoved",
 
434
                            self.find_and_remove_client,
 
435
                            dbus_interface=server_interface,
 
436
                            byte_arrays=True))
 
437
        (self.mandos_serv
 
438
         .connect_to_signal(u"ClientAdded",
 
439
                            self.add_new_client,
 
440
                            dbus_interface=server_interface,
 
441
                            byte_arrays=True))
 
442
        (self.mandos_serv
 
443
         .connect_to_signal(u"ClientNotFound",
 
444
                            self.client_not_found,
 
445
                            dbus_interface=server_interface,
 
446
                            byte_arrays=True))
 
447
        for path, client in mandos_clients.iteritems():
 
448
            client_proxy_object = self.bus.get_object(self.busname,
 
449
                                                      path)
 
450
            self.add_client(MandosClientWidget(server_proxy_object
 
451
                                               =self.mandos_serv,
 
452
                                               proxy_object
 
453
                                               =client_proxy_object,
 
454
                                               properties=client,
 
455
                                               update_hook
 
456
                                               =self.refresh,
 
457
                                               delete_hook
 
458
                                               =self.remove_client,
 
459
                                               logger
 
460
                                               =self.log_message),
 
461
                            path=path)
467
462
    
468
463
    def client_not_found(self, fingerprint, address):
469
 
        self.log_message("Client with address {0} and fingerprint"
470
 
                         " {1} could not be found"
471
 
                         .format(address, fingerprint))
 
464
        self.log_message((u"Client with address %s and fingerprint %s"
 
465
                          u" could not be found" % (address,
 
466
                                                    fingerprint)))
472
467
    
473
468
    def rebuild(self):
474
469
        """This rebuilds the User Interface.
484
479
                                                     self.divider)))
485
480
        if self.log_visible:
486
481
            self.uilist.append(self.logbox)
 
482
            pass
487
483
        self.topwidget = urwid.Pile(self.uilist)
488
484
    
489
485
    def log_message(self, message):
490
 
        """Log message formatted with timestamp"""
491
486
        timestamp = datetime.datetime.now().isoformat()
492
 
        self.log_message_raw(timestamp + ": " + message)
 
487
        self.log_message_raw(timestamp + u": " + message)
493
488
    
494
489
    def log_message_raw(self, markup):
495
490
        """Add a log message to the log buffer."""
498
493
            and len(self.log) > self.max_log_length):
499
494
            del self.log[0:len(self.log)-self.max_log_length-1]
500
495
        self.logbox.set_focus(len(self.logbox.body.contents),
501
 
                              coming_from="above")
 
496
                              coming_from=u"above")
502
497
        self.refresh()
503
498
    
504
499
    def toggle_log_display(self):
505
500
        """Toggle visibility of the log buffer."""
506
501
        self.log_visible = not self.log_visible
507
502
        self.rebuild()
508
 
        #self.log_message("Log visibility changed to: "
509
 
        #                 + str(self.log_visible))
 
503
        #self.log_message(u"Log visibility changed to: "
 
504
        #                 + unicode(self.log_visible))
510
505
    
511
506
    def change_log_display(self):
512
507
        """Change type of log display.
513
508
        Currently, this toggles wrapping of text lines."""
514
 
        if self.log_wrap == "clip":
515
 
            self.log_wrap = "any"
 
509
        if self.log_wrap == u"clip":
 
510
            self.log_wrap = u"any"
516
511
        else:
517
 
            self.log_wrap = "clip"
 
512
            self.log_wrap = u"clip"
518
513
        for textwidget in self.log:
519
514
            textwidget.set_wrap_mode(self.log_wrap)
520
 
        #self.log_message("Wrap mode: " + self.log_wrap)
 
515
        #self.log_message(u"Wrap mode: " + self.log_wrap)
521
516
    
522
517
    def find_and_remove_client(self, path, name):
523
 
        """Find a client by its object path and remove it.
 
518
        """Find an client from its object path and remove it.
524
519
        
525
520
        This is connected to the ClientRemoved signal from the
526
521
        Mandos server object."""
528
523
            client = self.clients_dict[path]
529
524
        except KeyError:
530
525
            # not found?
531
 
            self.log_message("Unknown client {0!r} ({1!r}) removed"
532
 
                             .format(name, path))
533
526
            return
534
 
        client.delete()
 
527
        self.remove_client(client, path)
535
528
    
536
529
    def add_new_client(self, path):
537
530
        client_proxy_object = self.bus.get_object(self.busname, path)
552
545
        if path is None:
553
546
            path = client.proxy.object_path
554
547
        self.clients_dict[path] = client
555
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
548
        self.clients.sort(None, lambda c: c.properties[u"Name"])
556
549
        self.refresh()
557
550
    
558
551
    def remove_client(self, client, path=None):
560
553
        if path is None:
561
554
            path = client.proxy.object_path
562
555
        del self.clients_dict[path]
 
556
        if not self.clients_dict:
 
557
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
558
            # is completely emptied, we need to recreate it.
 
559
            self.clients = urwid.SimpleListWalker([])
 
560
            self.rebuild()
563
561
        self.refresh()
564
562
    
565
563
    def refresh(self):
569
567
    
570
568
    def run(self):
571
569
        """Start the main loop and exit when it's done."""
572
 
        self.bus = dbus.SystemBus()
573
 
        mandos_dbus_objc = self.bus.get_object(
574
 
            self.busname, "/", follow_name_owner_changes=True)
575
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
576
 
                                          dbus_interface
577
 
                                          = server_interface)
578
 
        try:
579
 
            mandos_clients = (self.mandos_serv
580
 
                              .GetAllClientsWithProperties())
581
 
            if not mandos_clients:
582
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
583
 
        except dbus.exceptions.DBusException:
584
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
585
 
            mandos_clients = dbus.Dictionary()
586
 
        
587
 
        (self.mandos_serv
588
 
         .connect_to_signal("ClientRemoved",
589
 
                            self.find_and_remove_client,
590
 
                            dbus_interface=server_interface,
591
 
                            byte_arrays=True))
592
 
        (self.mandos_serv
593
 
         .connect_to_signal("ClientAdded",
594
 
                            self.add_new_client,
595
 
                            dbus_interface=server_interface,
596
 
                            byte_arrays=True))
597
 
        (self.mandos_serv
598
 
         .connect_to_signal("ClientNotFound",
599
 
                            self.client_not_found,
600
 
                            dbus_interface=server_interface,
601
 
                            byte_arrays=True))
602
 
        for path, client in mandos_clients.items():
603
 
            client_proxy_object = self.bus.get_object(self.busname,
604
 
                                                      path)
605
 
            self.add_client(MandosClientWidget(server_proxy_object
606
 
                                               =self.mandos_serv,
607
 
                                               proxy_object
608
 
                                               =client_proxy_object,
609
 
                                               properties=client,
610
 
                                               update_hook
611
 
                                               =self.refresh,
612
 
                                               delete_hook
613
 
                                               =self.remove_client,
614
 
                                               logger
615
 
                                               =self.log_message),
616
 
                            path=path)
617
 
        
618
570
        self.refresh()
619
571
        self._input_callback_tag = (gobject.io_add_watch
620
572
                                    (sys.stdin.fileno(),
630
582
    
631
583
    def process_input(self, source, condition):
632
584
        keys = self.screen.get_input()
633
 
        translations = { "ctrl n": "down",      # Emacs
634
 
                         "ctrl p": "up",        # Emacs
635
 
                         "ctrl v": "page down", # Emacs
636
 
                         "meta v": "page up",   # Emacs
637
 
                         " ": "page down",      # less
638
 
                         "f": "page down",      # less
639
 
                         "b": "page up",        # less
640
 
                         "j": "down",           # vi
641
 
                         "k": "up",             # vi
 
585
        translations = { u"ctrl n": u"down",      # Emacs
 
586
                         u"ctrl p": u"up",        # Emacs
 
587
                         u"ctrl v": u"page down", # Emacs
 
588
                         u"meta v": u"page up",   # Emacs
 
589
                         u" ": u"page down",      # less
 
590
                         u"f": u"page down",      # less
 
591
                         u"b": u"page up",        # less
 
592
                         u"j": u"down",           # vi
 
593
                         u"k": u"up",             # vi
642
594
                         }
643
595
        for key in keys:
644
596
            try:
646
598
            except KeyError:    # :-)
647
599
                pass
648
600
            
649
 
            if key == "q" or key == "Q":
 
601
            if key == u"q" or key == u"Q":
650
602
                self.stop()
651
603
                break
652
 
            elif key == "window resize":
 
604
            elif key == u"window resize":
653
605
                self.size = self.screen.get_cols_rows()
654
606
                self.refresh()
655
 
            elif key == "\f":  # Ctrl-L
 
607
            elif key == u"\f":  # Ctrl-L
656
608
                self.refresh()
657
 
            elif key == "l" or key == "D":
 
609
            elif key == u"l" or key == u"D":
658
610
                self.toggle_log_display()
659
611
                self.refresh()
660
 
            elif key == "w" or key == "i":
 
612
            elif key == u"w" or key == u"i":
661
613
                self.change_log_display()
662
614
                self.refresh()
663
 
            elif key == "?" or key == "f1" or key == "esc":
 
615
            elif key == u"?" or key == u"f1" or key == u"esc":
664
616
                if not self.log_visible:
665
617
                    self.log_visible = True
666
618
                    self.rebuild()
667
 
                self.log_message_raw(("bold",
668
 
                                      "  ".
669
 
                                      join(("q: Quit",
670
 
                                            "?: Help",
671
 
                                            "l: Log window toggle",
672
 
                                            "TAB: Switch window",
673
 
                                            "w: Wrap (log)"))))
674
 
                self.log_message_raw(("bold",
675
 
                                      "  "
676
 
                                      .join(("Clients:",
677
 
                                             "+: Enable",
678
 
                                             "-: Disable",
679
 
                                             "R: Remove",
680
 
                                             "s: Start new checker",
681
 
                                             "S: Stop checker",
682
 
                                             "C: Checker OK",
683
 
                                             "a: Approve",
684
 
                                             "d: Deny"))))
 
619
                self.log_message_raw((u"bold",
 
620
                                      u"  ".
 
621
                                      join((u"q: Quit",
 
622
                                            u"?: Help",
 
623
                                            u"l: Log window toggle",
 
624
                                            u"TAB: Switch window",
 
625
                                            u"w: Wrap (log)"))))
 
626
                self.log_message_raw((u"bold",
 
627
                                      u"  "
 
628
                                      .join((u"Clients:",
 
629
                                             u"+: Enable",
 
630
                                             u"-: Disable",
 
631
                                             u"r: Remove",
 
632
                                             u"s: Start new checker",
 
633
                                             u"S: Stop checker",
 
634
                                             u"C: Checker OK",
 
635
                                             u"a: Approve",
 
636
                                             u"d: Deny"))))
685
637
                self.refresh()
686
 
            elif key == "tab":
 
638
            elif key == u"tab":
687
639
                if self.topwidget.get_focus() is self.logbox:
688
640
                    self.topwidget.set_focus(0)
689
641
                else:
690
642
                    self.topwidget.set_focus(self.logbox)
691
643
                self.refresh()
692
 
            #elif (key == "end" or key == "meta >" or key == "G"
693
 
            #      or key == ">"):
 
644
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
645
            #      or key == u">"):
694
646
            #    pass            # xxx end-of-buffer
695
 
            #elif (key == "home" or key == "meta <" or key == "g"
696
 
            #      or key == "<"):
 
647
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
648
            #      or key == u"<"):
697
649
            #    pass            # xxx beginning-of-buffer
698
 
            #elif key == "ctrl e" or key == "$":
 
650
            #elif key == u"ctrl e" or key == u"$":
699
651
            #    pass            # xxx move-end-of-line
700
 
            #elif key == "ctrl a" or key == "^":
 
652
            #elif key == u"ctrl a" or key == u"^":
701
653
            #    pass            # xxx move-beginning-of-line
702
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
654
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
703
655
            #    pass            # xxx left
704
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
656
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
705
657
            #    pass            # xxx right
706
 
            #elif key == "a":
 
658
            #elif key == u"a":
707
659
            #    pass            # scroll up log
708
 
            #elif key == "z":
 
660
            #elif key == u"z":
709
661
            #    pass            # scroll down log
710
662
            elif self.topwidget.selectable():
711
663
                self.topwidget.keypress(self.size, key)
717
669
    ui.run()
718
670
except KeyboardInterrupt:
719
671
    ui.screen.stop()
720
 
except Exception as e:
721
 
    ui.log_message(str(e))
 
672
except Exception, e:
 
673
    ui.log_message(unicode(e))
722
674
    ui.screen.stop()
723
675
    raise