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  • Committer: Teddy Hogeborn
  • Date: 2014-07-16 23:44:54 UTC
  • Revision ID: teddy@recompile.se-20140716234454-6erpylmbf5qzndf3
mandos-client: Fix bug with GPGME 1.5.0.

* initramfs-tools-hook: If GPGME is 1.5.0 or later, copy "gpgconfig"
                        to RAM file system and do what GPGME does:
                        run "gpgconfig" to find GnuPG binary.

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mandos-monitor
1
1
#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
 
3
# 
 
4
# Mandos Monitor - Control and monitor the Mandos server
 
5
# 
 
6
# Copyright © 2009-2014 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
# 
3
25
 
4
 
from __future__ import division, absolute_import, with_statement
 
26
from __future__ import (division, absolute_import, print_function,
 
27
                        unicode_literals)
 
28
try:
 
29
    from future_builtins import *
 
30
except ImportError:
 
31
    pass
5
32
 
6
33
import sys
7
34
import os
8
 
import signal
9
35
 
10
36
import datetime
11
37
 
13
39
import urwid
14
40
 
15
41
from dbus.mainloop.glib import DBusGMainLoop
16
 
import gobject
 
42
try:
 
43
    import gobject
 
44
except ImportError:
 
45
    from gi.repository import GObject as gobject
17
46
 
18
47
import dbus
19
48
 
20
 
import UserList
21
 
 
22
49
import locale
23
50
 
24
 
locale.setlocale(locale.LC_ALL, u'')
 
51
if sys.version_info[0] == 2:
 
52
    str = unicode
 
53
 
 
54
locale.setlocale(locale.LC_ALL, '')
25
55
 
26
56
import logging
27
57
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
28
58
 
29
59
# Some useful constants
30
 
domain = 'se.bsnet.fukt'
 
60
domain = 'se.recompile'
31
61
server_interface = domain + '.Mandos'
32
62
client_interface = domain + '.Mandos.Client'
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)
 
63
version = "1.6.6"
 
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
42
80
 
43
81
class MandosClientPropertyCache(object):
44
82
    """This wraps a Mandos Client D-Bus proxy object, caches the
45
83
    properties and calls a hook function when any of them are
46
84
    changed.
47
85
    """
48
 
    def __init__(self, proxy_object=None, *args, **kwargs):
 
86
    def __init__(self, proxy_object=None, properties=None, **kwargs):
49
87
        self.proxy = proxy_object # Mandos Client proxy object
50
 
        
51
 
        self.properties = dict()
52
 
        self.proxy.connect_to_signal(u"PropertyChanged",
53
 
                                     self.property_changed,
54
 
                                     client_interface,
55
 
                                     byte_arrays=True)
56
 
        
57
 
        self.properties.update(
58
 
            self.proxy.GetAll(client_interface,
59
 
                              dbus_interface = dbus.PROPERTIES_IFACE))
60
 
        super(MandosClientPropertyCache, self).__init__(
61
 
            *args, **kwargs)
 
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)
62
106
    
63
107
    def property_changed(self, property=None, value=None):
64
108
        """This is called whenever we get a PropertyChanged signal
66
110
        """
67
111
        # Update properties dict with new value
68
112
        self.properties[property] = value
 
113
    
 
114
    def delete(self):
 
115
        self.property_changed_match.remove()
69
116
 
70
117
 
71
118
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
73
120
    """
74
121
    
75
122
    def __init__(self, server_proxy_object=None, update_hook=None,
76
 
                 delete_hook=None, logger=None, *args, **kwargs):
 
123
                 delete_hook=None, logger=None, **kwargs):
77
124
        # Called on update
78
125
        self.update_hook = update_hook
79
126
        # Called on delete
83
130
        # Logger
84
131
        self.logger = logger
85
132
        
 
133
        self._update_timer_callback_tag = None
 
134
        
86
135
        # The widget shown normally
87
 
        self._text_widget = urwid.Text(u"")
 
136
        self._text_widget = urwid.Text("")
88
137
        # The widget shown when we have focus
89
 
        self._focus_text_widget = urwid.Text(u"")
90
 
        super(MandosClientWidget, self).__init__(
91
 
            update_hook=update_hook, delete_hook=delete_hook,
92
 
            *args, **kwargs)
 
138
        self._focus_text_widget = urwid.Text("")
 
139
        super(MandosClientWidget, self).__init__(**kwargs)
93
140
        self.update()
94
141
        self.opened = False
95
 
        self.proxy.connect_to_signal(u"CheckerCompleted",
96
 
                                     self.checker_completed,
97
 
                                     client_interface,
98
 
                                     byte_arrays=True)
99
 
        self.proxy.connect_to_signal(u"CheckerStarted",
100
 
                                     self.checker_started,
101
 
                                     client_interface,
102
 
                                     byte_arrays=True)
103
 
        self.proxy.connect_to_signal(u"GotSecret",
104
 
                                     self.got_secret,
105
 
                                     client_interface,
106
 
                                     byte_arrays=True)
107
 
        self.proxy.connect_to_signal(u"NeedApproval",
108
 
                                     self.need_approval,
109
 
                                     client_interface,
110
 
                                     byte_arrays=True)
111
 
        self.proxy.connect_to_signal(u"Rejected",
112
 
                                     self.rejected,
113
 
                                     client_interface,
114
 
                                     byte_arrays=True)
 
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
115
179
    
116
180
    def checker_completed(self, exitstatus, condition, command):
117
181
        if exitstatus == 0:
118
 
            #self.logger(u'Checker for client %s (command "%s")'
119
 
            #            u' was successful'
120
 
            #            % (self.properties[u"name"], command))
 
182
            self.logger('Checker for client {0} (command "{1}")'
 
183
                        ' succeeded'.format(self.properties["Name"],
 
184
                                            command), level=0)
 
185
            self.update()
121
186
            return
 
187
        # Checker failed
122
188
        if os.WIFEXITED(condition):
123
 
            self.logger(u'Checker for client %s (command "%s")'
124
 
                        u' failed with exit code %s'
125
 
                        % (self.properties[u"name"], command,
126
 
                           os.WEXITSTATUS(condition)))
127
 
            return
128
 
        if os.WIFSIGNALED(condition):
129
 
            self.logger(u'Checker for client %s (command "%s")'
130
 
                        u' was killed by signal %s'
131
 
                        % (self.properties[u"name"], command,
132
 
                           os.WTERMSIG(condition)))
133
 
            return
134
 
        if os.WCOREDUMP(condition):
135
 
            self.logger(u'Checker for client %s (command "%s")'
136
 
                        u' dumped core'
137
 
                        % (self.properties[u"name"], command))
138
 
        self.logger(u'Checker for client %s completed mysteriously')
 
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()
139
207
    
140
208
    def checker_started(self, command):
141
 
        #self.logger(u'Client %s started checker "%s"'
142
 
        #            % (self.properties[u"name"], unicode(command)))
143
 
        pass
 
209
        """Server signals that a checker started."""
 
210
        self.logger('Client {0} started checker "{1}"'
 
211
                    .format(self.properties["Name"],
 
212
                            command), level=0)
144
213
    
145
214
    def got_secret(self):
146
 
        self.logger(u'Client %s received its secret'
147
 
                    % self.properties[u"name"])
 
215
        self.logger('Client {0} received its secret'
 
216
                    .format(self.properties["Name"]))
148
217
    
149
218
    def need_approval(self, timeout, default):
150
219
        if not default:
151
 
            message = u'Client %s needs approval within %s seconds'
 
220
            message = 'Client {0} needs approval within {1} seconds'
152
221
        else:
153
 
            message = u'Client %s will get its secret in %s seconds'
154
 
        self.logger(message
155
 
                    % (self.properties[u"name"], timeout/1000))
 
222
            message = 'Client {0} will get its secret in {1} seconds'
 
223
        self.logger(message.format(self.properties["Name"],
 
224
                                   timeout/1000))
156
225
    
157
226
    def rejected(self, reason):
158
 
        self.logger(u'Client %s was rejected; reason: %s'
159
 
                    % (self.properties[u"name"], reason))
 
227
        self.logger('Client {0} was rejected; reason: {1}'
 
228
                    .format(self.properties["Name"], reason))
160
229
    
161
230
    def selectable(self):
162
231
        """Make this a "selectable" widget.
163
232
        This overrides the method from urwid.FlowWidget."""
164
233
        return True
165
234
    
166
 
    def rows(self, (maxcol,), focus=False):
 
235
    def rows(self, maxcolrow, focus=False):
167
236
        """How many rows this widget will occupy might depend on
168
237
        whether we have focus or not.
169
238
        This overrides the method from urwid.FlowWidget"""
170
 
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
239
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
171
240
    
172
241
    def current_widget(self, focus=False):
173
242
        if focus or self.opened:
177
246
    def update(self):
178
247
        "Called when what is visible on the screen should be updated."
179
248
        # How to add standout mode to a style
180
 
        with_standout = { u"normal": u"standout",
181
 
                          u"bold": u"bold-standout",
182
 
                          u"underline-blink":
183
 
                              u"underline-blink-standout",
184
 
                          u"bold-underline-blink":
185
 
                              u"bold-underline-blink-standout",
 
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",
186
255
                          }
187
256
        
188
257
        # Rebuild focus and non-focus widgets using current properties
189
 
        self._text = (u'%(name)s: %(enabled)s'
190
 
                      % { u"name": self.properties[u"name"],
191
 
                          u"enabled":
192
 
                              (u"enabled"
193
 
                               if self.properties[u"enabled"]
194
 
                               else u"DISABLED")})
 
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
        
195
301
        if not urwid.supports_unicode():
196
302
            self._text = self._text.encode("ascii", "replace")
197
 
        textlist = [(u"normal", self._text)]
 
303
        textlist = [("normal", self._text)]
198
304
        self._text_widget.set_text(textlist)
199
305
        self._focus_text_widget.set_text([(with_standout[text[0]],
200
306
                                           text[1])
208
314
        if self.update_hook is not None:
209
315
            self.update_hook()
210
316
    
211
 
    def delete(self):
 
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 = ()
212
330
        if self.delete_hook is not None:
213
331
            self.delete_hook(self)
 
332
        return super(MandosClientWidget, self).delete(**kwargs)
214
333
    
215
 
    def render(self, (maxcol,), focus=False):
 
334
    def render(self, maxcolrow, focus=False):
216
335
        """Render differently if we have focus.
217
336
        This overrides the method from urwid.FlowWidget"""
218
 
        return self.current_widget(focus).render((maxcol,),
 
337
        return self.current_widget(focus).render(maxcolrow,
219
338
                                                 focus=focus)
220
339
    
221
 
    def keypress(self, (maxcol,), key):
 
340
    def keypress(self, maxcolrow, key):
222
341
        """Handle keys.
223
342
        This overrides the method from urwid.FlowWidget"""
224
 
        if key == u"e" or key == u"+":
225
 
            self.proxy.Enable()
226
 
        elif key == u"d" or key == u"-":
227
 
            self.proxy.Disable()
228
 
        elif key == u"r" or key == u"_" or key == u"ctrl k":
 
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":
229
358
            self.server_proxy_object.RemoveClient(self.proxy
230
 
                                                  .object_path)
231
 
        elif key == u"s":
232
 
            self.proxy.StartChecker()
233
 
        elif key == u"S":
234
 
            self.proxy.StopChecker()
235
 
        elif key == u"C":
236
 
            self.proxy.CheckedOK()
 
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)
237
370
        # xxx
238
 
#         elif key == u"p" or key == "=":
 
371
#         elif key == "p" or key == "=":
239
372
#             self.proxy.pause()
240
 
#         elif key == u"u" or key == ":":
 
373
#         elif key == "u" or key == ":":
241
374
#             self.proxy.unpause()
242
 
#         elif key == u"RET":
 
375
#         elif key == "RET":
243
376
#             self.open()
244
 
        elif key == u"+":
245
 
            self.proxy.Approve(True)
246
 
        elif key == u"-":
247
 
            self.proxy.Approve(False)
248
377
        else:
249
378
            return key
250
379
    
251
 
    def property_changed(self, property=None, value=None,
252
 
                         *args, **kwargs):
 
380
    def property_changed(self, property=None, **kwargs):
253
381
        """Call self.update() if old value is not new value.
254
382
        This overrides the method from MandosClientPropertyCache"""
255
 
        property_name = unicode(property)
 
383
        property_name = str(property)
256
384
        old_value = self.properties.get(property_name)
257
385
        super(MandosClientWidget, self).property_changed(
258
 
            property=property, value=value, *args, **kwargs)
 
386
            property=property, **kwargs)
259
387
        if self.properties.get(property_name) != old_value:
260
388
            self.update()
261
389
 
265
393
    "down" key presses, thus not allowing any containing widgets to
266
394
    use them as an excuse to shift focus away from this widget.
267
395
    """
268
 
    def keypress(self, (maxcol, maxrow), key):
269
 
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
270
 
        if ret in (u"up", u"down"):
 
396
    def keypress(self, *args, **kwargs):
 
397
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
 
398
        if ret in ("up", "down"):
271
399
            return
272
400
        return ret
273
401
 
276
404
    """This is the entire user interface - the whole screen
277
405
    with boxes, lists of client widgets, etc.
278
406
    """
279
 
    def __init__(self, max_log_length=1000):
 
407
    def __init__(self, max_log_length=1000, log_level=1):
280
408
        DBusGMainLoop(set_as_default=True)
281
409
        
282
410
        self.screen = urwid.curses_display.Screen()
283
411
        
284
412
        self.screen.register_palette((
285
 
                (u"normal",
286
 
                 u"default", u"default", None),
287
 
                (u"bold",
288
 
                 u"default", u"default", u"bold"),
289
 
                (u"underline-blink",
290
 
                 u"default", u"default", u"underline"),
291
 
                (u"standout",
292
 
                 u"default", u"default", u"standout"),
293
 
                (u"bold-underline-blink",
294
 
                 u"default", u"default", (u"bold", u"underline")),
295
 
                (u"bold-standout",
296
 
                 u"default", u"default", (u"bold", u"standout")),
297
 
                (u"underline-blink-standout",
298
 
                 u"default", u"default", (u"underline", u"standout")),
299
 
                (u"bold-underline-blink-standout",
300
 
                 u"default", u"default", (u"bold", u"underline",
301
 
                                          u"standout")),
 
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"),
302
431
                ))
303
432
        
304
433
        if urwid.supports_unicode():
305
 
            self.divider = u"─" # \u2500
306
 
            #self.divider = u"━" # \u2501
 
434
            self.divider = "─" # \u2500
 
435
            #self.divider = "━" # \u2501
307
436
        else:
308
 
            #self.divider = u"-" # \u002d
309
 
            self.divider = u"_" # \u005f
 
437
            #self.divider = "-" # \u002d
 
438
            self.divider = "_" # \u005f
310
439
        
311
440
        self.screen.start()
312
441
        
319
448
        self.log = []
320
449
        self.max_log_length = max_log_length
321
450
        
 
451
        self.log_level = log_level
 
452
        
322
453
        # We keep a reference to the log widget so we can remove it
323
454
        # from the ListWalker without it getting destroyed
324
455
        self.logbox = ConstrainedListBox(self.log)
326
457
        # This keeps track of whether self.uilist currently has
327
458
        # self.logbox in it or not
328
459
        self.log_visible = True
329
 
        self.log_wrap = u"any"
 
460
        self.log_wrap = "any"
330
461
        
331
462
        self.rebuild()
332
 
        self.log_message_raw((u"bold",
333
 
                              u"Mandos Monitor version " + version))
334
 
        self.log_message_raw((u"bold",
335
 
                              u"q: Quit  ?: Help"))
 
463
        self.log_message_raw(("bold",
 
464
                              "Mandos Monitor version " + version))
 
465
        self.log_message_raw(("bold",
 
466
                              "q: Quit  ?: Help"))
336
467
        
337
468
        self.busname = domain + '.Mandos'
338
469
        self.main_loop = gobject.MainLoop()
339
 
        self.bus = dbus.SystemBus()
340
 
        mandos_dbus_objc = self.bus.get_object(
341
 
            self.busname, u"/", follow_name_owner_changes=True)
342
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
343
 
                                          dbus_interface
344
 
                                          = server_interface)
345
 
        try:
346
 
            mandos_clients = (self.mandos_serv
347
 
                              .GetAllClientsWithProperties())
348
 
        except dbus.exceptions.DBusException:
349
 
            mandos_clients = dbus.Dictionary()
350
 
        
351
 
        (self.mandos_serv
352
 
         .connect_to_signal(u"ClientRemoved",
353
 
                            self.find_and_remove_client,
354
 
                            dbus_interface=server_interface,
355
 
                            byte_arrays=True))
356
 
        (self.mandos_serv
357
 
         .connect_to_signal(u"ClientAdded",
358
 
                            self.add_new_client,
359
 
                            dbus_interface=server_interface,
360
 
                            byte_arrays=True))
361
 
        (self.mandos_serv
362
 
         .connect_to_signal(u"ClientNotFound",
363
 
                            self.client_not_found,
364
 
                            dbus_interface=server_interface,
365
 
                            byte_arrays=True))
366
 
        for path, client in mandos_clients.iteritems():
367
 
            client_proxy_object = self.bus.get_object(self.busname,
368
 
                                                      path)
369
 
            self.add_client(MandosClientWidget(server_proxy_object
370
 
                                               =self.mandos_serv,
371
 
                                               proxy_object
372
 
                                               =client_proxy_object,
373
 
                                               properties=client,
374
 
                                               update_hook
375
 
                                               =self.refresh,
376
 
                                               delete_hook
377
 
                                               =self.remove_client,
378
 
                                               logger
379
 
                                               =self.log_message),
380
 
                            path=path)
381
470
    
382
471
    def client_not_found(self, fingerprint, address):
383
 
        self.log_message((u"Client with address %s and fingerprint %s"
384
 
                          u" could not be found" % (address,
385
 
                                                    fingerprint)))
 
472
        self.log_message("Client with address {0} and fingerprint"
 
473
                         " {1} could not be found"
 
474
                         .format(address, fingerprint))
386
475
    
387
476
    def rebuild(self):
388
477
        """This rebuilds the User Interface.
389
478
        Call this when the widget layout needs to change"""
390
479
        self.uilist = []
391
480
        #self.uilist.append(urwid.ListBox(self.clients))
392
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
 
481
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
482
                                                          clients),
393
483
                                       #header=urwid.Divider(),
394
484
                                       header=None,
395
 
                                       footer=urwid.Divider(div_char=self.divider)))
 
485
                                       footer=
 
486
                                       urwid.Divider(div_char=
 
487
                                                     self.divider)))
396
488
        if self.log_visible:
397
489
            self.uilist.append(self.logbox)
398
 
            pass
399
490
        self.topwidget = urwid.Pile(self.uilist)
400
491
    
401
 
    def log_message(self, message):
 
492
    def log_message(self, message, level=1):
 
493
        """Log message formatted with timestamp"""
 
494
        if level < self.log_level:
 
495
            return
402
496
        timestamp = datetime.datetime.now().isoformat()
403
 
        self.log_message_raw(timestamp + u": " + message)
 
497
        self.log_message_raw("{0}: {1}".format(timestamp, message),
 
498
                             level=level)
404
499
    
405
 
    def log_message_raw(self, markup):
 
500
    def log_message_raw(self, markup, level=1):
406
501
        """Add a log message to the log buffer."""
 
502
        if level < self.log_level:
 
503
            return
407
504
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
408
505
        if (self.max_log_length
409
506
            and len(self.log) > self.max_log_length):
410
507
            del self.log[0:len(self.log)-self.max_log_length-1]
411
508
        self.logbox.set_focus(len(self.logbox.body.contents),
412
 
                              coming_from=u"above")
 
509
                              coming_from="above")
413
510
        self.refresh()
414
511
    
415
512
    def toggle_log_display(self):
416
513
        """Toggle visibility of the log buffer."""
417
514
        self.log_visible = not self.log_visible
418
515
        self.rebuild()
419
 
        self.log_message(u"Log visibility changed to: "
420
 
                         + unicode(self.log_visible))
 
516
        self.log_message("Log visibility changed to: {0}"
 
517
                         .format(self.log_visible), level=0)
421
518
    
422
519
    def change_log_display(self):
423
520
        """Change type of log display.
424
521
        Currently, this toggles wrapping of text lines."""
425
 
        if self.log_wrap == u"clip":
426
 
            self.log_wrap = u"any"
 
522
        if self.log_wrap == "clip":
 
523
            self.log_wrap = "any"
427
524
        else:
428
 
            self.log_wrap = u"clip"
 
525
            self.log_wrap = "clip"
429
526
        for textwidget in self.log:
430
527
            textwidget.set_wrap_mode(self.log_wrap)
431
 
        self.log_message(u"Wrap mode: " + self.log_wrap)
 
528
        self.log_message("Wrap mode: {0}".format(self.log_wrap),
 
529
                         level=0)
432
530
    
433
531
    def find_and_remove_client(self, path, name):
434
 
        """Find an client from its object path and remove it.
 
532
        """Find a client by its object path and remove it.
435
533
        
436
534
        This is connected to the ClientRemoved signal from the
437
535
        Mandos server object."""
439
537
            client = self.clients_dict[path]
440
538
        except KeyError:
441
539
            # not found?
 
540
            self.log_message("Unknown client {0!r} ({1!r}) removed"
 
541
                             .format(name, path))
442
542
            return
443
 
        self.remove_client(client, path)
 
543
        client.delete()
444
544
    
445
545
    def add_new_client(self, path):
446
546
        client_proxy_object = self.bus.get_object(self.busname, path)
461
561
        if path is None:
462
562
            path = client.proxy.object_path
463
563
        self.clients_dict[path] = client
464
 
        self.clients.sort(None, lambda c: c.properties[u"name"])
 
564
        self.clients.sort(key=lambda c: c.properties["Name"])
465
565
        self.refresh()
466
566
    
467
567
    def remove_client(self, client, path=None):
469
569
        if path is None:
470
570
            path = client.proxy.object_path
471
571
        del self.clients_dict[path]
472
 
        if not self.clients_dict:
473
 
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
474
 
            # is completely emptied, we need to recreate it.
475
 
            self.clients = urwid.SimpleListWalker([])
476
 
            self.rebuild()
477
572
        self.refresh()
478
573
    
479
574
    def refresh(self):
483
578
    
484
579
    def run(self):
485
580
        """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
        
486
627
        self.refresh()
487
628
        self._input_callback_tag = (gobject.io_add_watch
488
629
                                    (sys.stdin.fileno(),
498
639
    
499
640
    def process_input(self, source, condition):
500
641
        keys = self.screen.get_input()
501
 
        translations = { u"ctrl n": u"down",      # Emacs
502
 
                         u"ctrl p": u"up",        # Emacs
503
 
                         u"ctrl v": u"page down", # Emacs
504
 
                         u"meta v": u"page up",   # Emacs
505
 
                         u" ": u"page down",      # less
506
 
                         u"f": u"page down",      # less
507
 
                         u"b": u"page up",        # less
508
 
                         u"j": u"down",           # vi
509
 
                         u"k": u"up",             # vi
 
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
510
651
                         }
511
652
        for key in keys:
512
653
            try:
514
655
            except KeyError:    # :-)
515
656
                pass
516
657
            
517
 
            if key == u"q" or key == u"Q":
 
658
            if key == "q" or key == "Q":
518
659
                self.stop()
519
660
                break
520
 
            elif key == u"window resize":
 
661
            elif key == "window resize":
521
662
                self.size = self.screen.get_cols_rows()
522
663
                self.refresh()
523
 
            elif key == u"\f":  # Ctrl-L
 
664
            elif key == "\f":  # Ctrl-L
524
665
                self.refresh()
525
 
            elif key == u"l" or key == u"D":
 
666
            elif key == "l" or key == "D":
526
667
                self.toggle_log_display()
527
668
                self.refresh()
528
 
            elif key == u"w" or key == u"i":
 
669
            elif key == "w" or key == "i":
529
670
                self.change_log_display()
530
671
                self.refresh()
531
 
            elif key == u"?" or key == u"f1" or key == u"esc":
 
672
            elif key == "?" or key == "f1" or key == "esc":
532
673
                if not self.log_visible:
533
674
                    self.log_visible = True
534
675
                    self.rebuild()
535
 
                self.log_message_raw((u"bold",
536
 
                                      u"  ".
537
 
                                      join((u"q: Quit",
538
 
                                            u"?: Help",
539
 
                                            u"l: Log window toggle",
540
 
                                            u"TAB: Switch window",
541
 
                                            u"w: Wrap (log)"))))
542
 
                self.log_message_raw((u"bold",
543
 
                                      u"  "
544
 
                                      .join((u"Clients:",
545
 
                                             u"e: Enable",
546
 
                                             u"d: Disable",
547
 
                                             u"r: Remove",
548
 
                                             u"s: Start new checker",
549
 
                                             u"S: Stop checker",
550
 
                                             u"C: Checker OK"))))
 
676
                self.log_message_raw(("bold",
 
677
                                      "  ".
 
678
                                      join(("q: Quit",
 
679
                                            "?: Help",
 
680
                                            "l: Log window toggle",
 
681
                                            "TAB: Switch window",
 
682
                                            "w: Wrap (log lines)",
 
683
                                            "v: Toggle verbose log",
 
684
                                            ))))
 
685
                self.log_message_raw(("bold",
 
686
                                      "  "
 
687
                                      .join(("Clients:",
 
688
                                             "+: Enable",
 
689
                                             "-: Disable",
 
690
                                             "R: Remove",
 
691
                                             "s: Start new checker",
 
692
                                             "S: Stop checker",
 
693
                                             "C: Checker OK",
 
694
                                             "a: Approve",
 
695
                                             "d: Deny"))))
551
696
                self.refresh()
552
 
            elif key == u"tab":
 
697
            elif key == "tab":
553
698
                if self.topwidget.get_focus() is self.logbox:
554
699
                    self.topwidget.set_focus(0)
555
700
                else:
556
701
                    self.topwidget.set_focus(self.logbox)
557
702
                self.refresh()
558
 
            #elif (key == u"end" or key == u"meta >" or key == u"G"
559
 
            #      or key == u">"):
 
703
            elif key == "v":
 
704
                if self.log_level == 0:
 
705
                    self.log_level = 1
 
706
                    self.log_message("Verbose mode: Off")
 
707
                else:
 
708
                    self.log_level = 0
 
709
                    self.log_message("Verbose mode: On")
 
710
            #elif (key == "end" or key == "meta >" or key == "G"
 
711
            #      or key == ">"):
560
712
            #    pass            # xxx end-of-buffer
561
 
            #elif (key == u"home" or key == u"meta <" or key == u"g"
562
 
            #      or key == u"<"):
 
713
            #elif (key == "home" or key == "meta <" or key == "g"
 
714
            #      or key == "<"):
563
715
            #    pass            # xxx beginning-of-buffer
564
 
            #elif key == u"ctrl e" or key == u"$":
 
716
            #elif key == "ctrl e" or key == "$":
565
717
            #    pass            # xxx move-end-of-line
566
 
            #elif key == u"ctrl a" or key == u"^":
 
718
            #elif key == "ctrl a" or key == "^":
567
719
            #    pass            # xxx move-beginning-of-line
568
 
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
720
            #elif key == "ctrl b" or key == "meta (" or key == "h":
569
721
            #    pass            # xxx left
570
 
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
722
            #elif key == "ctrl f" or key == "meta )" or key == "l":
571
723
            #    pass            # xxx right
572
 
            #elif key == u"a":
 
724
            #elif key == "a":
573
725
            #    pass            # scroll up log
574
 
            #elif key == u"z":
 
726
            #elif key == "z":
575
727
            #    pass            # scroll down log
576
728
            elif self.topwidget.selectable():
577
729
                self.topwidget.keypress(self.size, key)
581
733
ui = UserInterface()
582
734
try:
583
735
    ui.run()
584
 
except Exception, e:
585
 
    ui.log_message(unicode(e))
 
736
except KeyboardInterrupt:
 
737
    ui.screen.stop()
 
738
except Exception as e:
 
739
    ui.log_message(str(e))
586
740
    ui.screen.stop()
587
741
    raise