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  • Committer: Teddy Hogeborn
  • Date: 2010-09-05 20:19:02 UTC
  • mfrom: (416.1.2 mandos)
  • Revision ID: teddy@fukt.bsnet.se-20100905201902-ivwsc01ecaaqlqg4
* mandos (AvahiService.entry_group_state_changed): Better debug log
                                                   message.
  (AvahiService.server_state_changed): Added debug log message.

* mandos-monitor (isoformat_to_datetime): New function.
  (MandosClientWidget): Show a countdown to disabling if last checker
                        failed.

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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 © 2009-2015 Teddy Hogeborn
7
 
# Copyright © 2009-2015 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.major == 2:
52
 
    str = unicode
53
 
 
54
 
locale.setlocale(locale.LC_ALL, '')
55
 
 
56
 
import logging
57
 
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
 
24
locale.setlocale(locale.LC_ALL, u'')
58
25
 
59
26
# Some useful constants
60
 
domain = 'se.recompile'
 
27
domain = 'se.bsnet.fukt'
61
28
server_interface = domain + '.Mandos'
62
29
client_interface = domain + '.Mandos.Client'
63
 
version = "1.6.9"
 
30
version = "1.0.14"
 
31
 
 
32
# Always run in monochrome mode
 
33
urwid.curses_display.curses.has_colors = lambda : False
 
34
 
 
35
# Urwid doesn't support blinking, but we want it.  Since we have no
 
36
# use for underline on its own, we make underline also always blink.
 
37
urwid.curses_display.curses.A_UNDERLINE |= (
 
38
    urwid.curses_display.curses.A_BLINK)
64
39
 
65
40
def isoformat_to_datetime(iso):
66
41
    "Parse an ISO 8601 date string to a datetime.datetime()"
67
42
    if not iso:
68
43
        return None
69
 
    d, t = iso.split("T", 1)
70
 
    year, month, day = d.split("-", 2)
71
 
    hour, minute, second = t.split(":", 2)
 
44
    d, t = iso.split(u"T", 1)
 
45
    year, month, day = d.split(u"-", 2)
 
46
    hour, minute, second = t.split(u":", 2)
72
47
    second, fraction = divmod(float(second), 1)
73
48
    return datetime.datetime(int(year),
74
49
                             int(month),
83
58
    properties and calls a hook function when any of them are
84
59
    changed.
85
60
    """
86
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
61
    def __init__(self, proxy_object=None, *args, **kwargs):
87
62
        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("PropertiesChanged",
91
 
                                         self.properties_changed,
92
 
                                         dbus.PROPERTIES_IFACE,
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)
 
63
        
 
64
        self.properties = dict()
 
65
        self.proxy.connect_to_signal(u"PropertyChanged",
 
66
                                     self.property_changed,
 
67
                                     client_interface,
 
68
                                     byte_arrays=True)
 
69
        
 
70
        self.properties.update(
 
71
            self.proxy.GetAll(client_interface,
 
72
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
73
        super(MandosClientPropertyCache, self).__init__(
 
74
            proxy_object=proxy_object, *args, **kwargs)
102
75
    
103
 
    def properties_changed(self, interface, properties, invalidated):
104
 
        """This is called whenever we get a PropertiesChanged signal
105
 
        It updates the changed properties in the "properties" dict.
 
76
    def property_changed(self, property=None, value=None):
 
77
        """This is called whenever we get a PropertyChanged signal
 
78
        It updates the changed property in the "properties" dict.
106
79
        """
107
80
        # Update properties dict with new value
108
 
        self.properties.update(properties)
109
 
    
110
 
    def delete(self):
111
 
        self.property_changed_match.remove()
 
81
        self.properties[property] = value
112
82
 
113
83
 
114
84
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
116
86
    """
117
87
    
118
88
    def __init__(self, server_proxy_object=None, update_hook=None,
119
 
                 delete_hook=None, logger=None, **kwargs):
 
89
                 delete_hook=None, logger=None, *args, **kwargs):
120
90
        # Called on update
121
91
        self.update_hook = update_hook
122
92
        # Called on delete
127
97
        self.logger = logger
128
98
        
129
99
        self._update_timer_callback_tag = None
 
100
        self.last_checker_failed = False
130
101
        
131
102
        # The widget shown normally
132
 
        self._text_widget = urwid.Text("")
 
103
        self._text_widget = urwid.Text(u"")
133
104
        # The widget shown when we have focus
134
 
        self._focus_text_widget = urwid.Text("")
135
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
105
        self._focus_text_widget = urwid.Text(u"")
 
106
        super(MandosClientWidget, self).__init__(
 
107
            update_hook=update_hook, delete_hook=delete_hook,
 
108
            *args, **kwargs)
136
109
        self.update()
137
110
        self.opened = False
138
 
        
139
 
        self.match_objects = (
140
 
            self.proxy.connect_to_signal("CheckerCompleted",
141
 
                                         self.checker_completed,
142
 
                                         client_interface,
143
 
                                         byte_arrays=True),
144
 
            self.proxy.connect_to_signal("CheckerStarted",
145
 
                                         self.checker_started,
146
 
                                         client_interface,
147
 
                                         byte_arrays=True),
148
 
            self.proxy.connect_to_signal("GotSecret",
149
 
                                         self.got_secret,
150
 
                                         client_interface,
151
 
                                         byte_arrays=True),
152
 
            self.proxy.connect_to_signal("NeedApproval",
153
 
                                         self.need_approval,
154
 
                                         client_interface,
155
 
                                         byte_arrays=True),
156
 
            self.proxy.connect_to_signal("Rejected",
157
 
                                         self.rejected,
158
 
                                         client_interface,
159
 
                                         byte_arrays=True))
160
 
        self.logger('Created client {}'
161
 
                    .format(self.properties["Name"]), level=0)
162
 
    
163
 
    def using_timer(self, flag):
164
 
        """Call this method with True or False when timer should be
165
 
        activated or deactivated.
166
 
        """
167
 
        if flag and self._update_timer_callback_tag is None:
168
 
            # Will update the shown timer value every second
 
111
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
112
                                     self.checker_completed,
 
113
                                     client_interface,
 
114
                                     byte_arrays=True)
 
115
        self.proxy.connect_to_signal(u"CheckerStarted",
 
116
                                     self.checker_started,
 
117
                                     client_interface,
 
118
                                     byte_arrays=True)
 
119
        self.proxy.connect_to_signal(u"GotSecret",
 
120
                                     self.got_secret,
 
121
                                     client_interface,
 
122
                                     byte_arrays=True)
 
123
        self.proxy.connect_to_signal(u"Rejected",
 
124
                                     self.rejected,
 
125
                                     client_interface,
 
126
                                     byte_arrays=True)
 
127
        last_checked_ok = isoformat_to_datetime(self.properties
 
128
                                                ["last_checked_ok"])
 
129
        if last_checked_ok is None:
 
130
            self.last_checker_failed = True
 
131
        else:
 
132
            self.last_checker_failed = ((datetime.datetime.utcnow()
 
133
                                         - last_checked_ok)
 
134
                                        > datetime.timedelta
 
135
                                        (milliseconds=
 
136
                                         self.properties["interval"]))
 
137
        if self.last_checker_failed:
169
138
            self._update_timer_callback_tag = (gobject.timeout_add
170
139
                                               (1000,
171
140
                                                self.update_timer))
172
 
        elif not (flag or self._update_timer_callback_tag is None):
173
 
            gobject.source_remove(self._update_timer_callback_tag)
174
 
            self._update_timer_callback_tag = None
175
141
    
176
 
    def checker_completed(self, exitstatus, signal, command):
 
142
    def checker_completed(self, exitstatus, condition, command):
177
143
        if exitstatus == 0:
178
 
            self.logger('Checker for client {} (command "{}")'
179
 
                        ' succeeded'.format(self.properties["Name"],
180
 
                                            command), level=0)
 
144
            if self.last_checker_failed:
 
145
                self.last_checker_failed = False
 
146
                gobject.source_remove(self._update_timer_callback_tag)
 
147
                self._update_timer_callback_tag = None
 
148
            self.logger(u'Checker for client %s (command "%s")'
 
149
                        u' was successful'
 
150
                        % (self.properties[u"name"], command))
181
151
            self.update()
182
152
            return
183
153
        # Checker failed
184
 
        if exitstatus >= 0:
185
 
            self.logger('Checker for client {} (command "{}") failed'
186
 
                        ' with exit code {}'
187
 
                        .format(self.properties["Name"], command,
188
 
                                exitstatus))
189
 
        elif signal != 0:
190
 
            self.logger('Checker for client {} (command "{}") was'
191
 
                        ' killed by signal {}'
192
 
                        .format(self.properties["Name"], command,
193
 
                                signal))
 
154
        if not self.last_checker_failed:
 
155
            self.last_checker_failed = True
 
156
            self._update_timer_callback_tag = (gobject.timeout_add
 
157
                                               (1000,
 
158
                                                self.update_timer))
 
159
        if os.WIFEXITED(condition):
 
160
            self.logger(u'Checker for client %s (command "%s")'
 
161
                        u' failed with exit code %s'
 
162
                        % (self.properties[u"name"], command,
 
163
                           os.WEXITSTATUS(condition)))
 
164
        elif os.WIFSIGNALED(condition):
 
165
            self.logger(u'Checker for client %s (command "%s")'
 
166
                        u' was killed by signal %s'
 
167
                        % (self.properties[u"name"], command,
 
168
                           os.WTERMSIG(condition)))
 
169
        elif os.WCOREDUMP(condition):
 
170
            self.logger(u'Checker for client %s (command "%s")'
 
171
                        u' dumped core'
 
172
                        % (self.properties[u"name"], command))
194
173
        else:
195
 
            self.logger('Checker for client {} completed'
196
 
                        ' mysteriously'
197
 
                        .format(self.properties["Name"]))
 
174
            self.logger(u'Checker for client %s completed mysteriously')
198
175
        self.update()
199
176
    
200
177
    def checker_started(self, command):
201
 
        """Server signals that a checker started."""
202
 
        self.logger('Client {} started checker "{}"'
203
 
                    .format(self.properties["Name"],
204
 
                            command), level=0)
 
178
        self.logger(u'Client %s started checker "%s"'
 
179
                    % (self.properties[u"name"], unicode(command)))
205
180
    
206
181
    def got_secret(self):
207
 
        self.logger('Client {} received its secret'
208
 
                    .format(self.properties["Name"]))
209
 
    
210
 
    def need_approval(self, timeout, default):
211
 
        if not default:
212
 
            message = 'Client {} needs approval within {} seconds'
213
 
        else:
214
 
            message = 'Client {} will get its secret in {} seconds'
215
 
        self.logger(message.format(self.properties["Name"],
216
 
                                   timeout/1000))
217
 
    
218
 
    def rejected(self, reason):
219
 
        self.logger('Client {} was rejected; reason: {}'
220
 
                    .format(self.properties["Name"], reason))
 
182
        self.logger(u'Client %s received its secret'
 
183
                    % self.properties[u"name"])
 
184
    
 
185
    def rejected(self):
 
186
        self.logger(u'Client %s was rejected'
 
187
                    % self.properties[u"name"])
221
188
    
222
189
    def selectable(self):
223
190
        """Make this a "selectable" widget.
224
191
        This overrides the method from urwid.FlowWidget."""
225
192
        return True
226
193
    
227
 
    def rows(self, maxcolrow, focus=False):
 
194
    def rows(self, (maxcol,), focus=False):
228
195
        """How many rows this widget will occupy might depend on
229
196
        whether we have focus or not.
230
197
        This overrides the method from urwid.FlowWidget"""
231
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
198
        return self.current_widget(focus).rows((maxcol,), focus=focus)
232
199
    
233
200
    def current_widget(self, focus=False):
234
201
        if focus or self.opened:
238
205
    def update(self):
239
206
        "Called when what is visible on the screen should be updated."
240
207
        # How to add standout mode to a style
241
 
        with_standout = { "normal": "standout",
242
 
                          "bold": "bold-standout",
243
 
                          "underline-blink":
244
 
                              "underline-blink-standout",
245
 
                          "bold-underline-blink":
246
 
                              "bold-underline-blink-standout",
 
208
        with_standout = { u"normal": u"standout",
 
209
                          u"bold": u"bold-standout",
 
210
                          u"underline-blink":
 
211
                              u"underline-blink-standout",
 
212
                          u"bold-underline-blink":
 
213
                              u"bold-underline-blink-standout",
247
214
                          }
248
215
        
249
216
        # Rebuild focus and non-focus widgets using current properties
250
 
        
251
 
        # Base part of a client. Name!
252
 
        base = '{name}: '.format(name=self.properties["Name"])
253
 
        if not self.properties["Enabled"]:
254
 
            message = "DISABLED"
255
 
            self.using_timer(False)
256
 
        elif self.properties["ApprovalPending"]:
257
 
            timeout = datetime.timedelta(milliseconds
258
 
                                         = self.properties
259
 
                                         ["ApprovalDelay"])
260
 
            last_approval_request = isoformat_to_datetime(
261
 
                self.properties["LastApprovalRequest"])
262
 
            if last_approval_request is not None:
263
 
                timer = max(timeout - (datetime.datetime.utcnow()
264
 
                                       - last_approval_request),
265
 
                            datetime.timedelta())
266
 
            else:
267
 
                timer = datetime.timedelta()
268
 
            if self.properties["ApprovedByDefault"]:
269
 
                message = "Approval in {}. (d)eny?"
270
 
            else:
271
 
                message = "Denial in {}. (a)pprove?"
272
 
            message = message.format(str(timer).rsplit(".", 1)[0])
273
 
            self.using_timer(True)
274
 
        elif self.properties["LastCheckerStatus"] != 0:
275
 
            # When checker has failed, show timer until client expires
276
 
            expires = self.properties["Expires"]
277
 
            if expires == "":
278
 
                timer = datetime.timedelta(0)
279
 
            else:
280
 
                expires = (datetime.datetime.strptime
281
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
282
 
                timer = max(expires - datetime.datetime.utcnow(),
283
 
                            datetime.timedelta())
284
 
            message = ('A checker has failed! Time until client'
285
 
                       ' gets disabled: {}'
286
 
                       .format(str(timer).rsplit(".", 1)[0]))
287
 
            self.using_timer(True)
288
 
        else:
289
 
            message = "enabled"
290
 
            self.using_timer(False)
291
 
        self._text = "{}{}".format(base, message)
292
 
        
 
217
        self._text = (u'%(name)s: %(enabled)s%(timer)s'
 
218
                      % { u"name": self.properties[u"name"],
 
219
                          u"enabled":
 
220
                              (u"enabled"
 
221
                               if self.properties[u"enabled"]
 
222
                               else u"DISABLED"),
 
223
                          u"timer": (unicode(datetime.timedelta
 
224
                                             (milliseconds =
 
225
                                              self.properties
 
226
                                              [u"timeout"])
 
227
                                             - (datetime.datetime
 
228
                                                .utcnow()
 
229
                                                - isoformat_to_datetime
 
230
                                                (max((self.properties
 
231
                                                 ["last_checked_ok"]
 
232
                                                 or
 
233
                                                 self.properties
 
234
                                                 ["created"]),
 
235
                                                    self.properties[u"last_enabled"]))))
 
236
                                     if (self.last_checker_failed
 
237
                                         and self.properties
 
238
                                         [u"enabled"])
 
239
                                     else u"")})
293
240
        if not urwid.supports_unicode():
294
241
            self._text = self._text.encode("ascii", "replace")
295
 
        textlist = [("normal", self._text)]
 
242
        textlist = [(u"normal", self._text)]
296
243
        self._text_widget.set_text(textlist)
297
244
        self._focus_text_widget.set_text([(with_standout[text[0]],
298
245
                                           text[1])
307
254
            self.update_hook()
308
255
    
309
256
    def update_timer(self):
310
 
        """called by gobject. Will indefinitely loop until
311
 
        gobject.source_remove() on tag is called"""
 
257
        "called by gobject"
312
258
        self.update()
313
259
        return True             # Keep calling this
314
260
    
315
 
    def delete(self, **kwargs):
 
261
    def delete(self):
316
262
        if self._update_timer_callback_tag is not None:
317
263
            gobject.source_remove(self._update_timer_callback_tag)
318
264
            self._update_timer_callback_tag = None
319
 
        for match in self.match_objects:
320
 
            match.remove()
321
 
        self.match_objects = ()
322
265
        if self.delete_hook is not None:
323
266
            self.delete_hook(self)
324
 
        return super(MandosClientWidget, self).delete(**kwargs)
325
267
    
326
 
    def render(self, maxcolrow, focus=False):
 
268
    def render(self, (maxcol,), focus=False):
327
269
        """Render differently if we have focus.
328
270
        This overrides the method from urwid.FlowWidget"""
329
 
        return self.current_widget(focus).render(maxcolrow,
 
271
        return self.current_widget(focus).render((maxcol,),
330
272
                                                 focus=focus)
331
273
    
332
 
    def keypress(self, maxcolrow, key):
 
274
    def keypress(self, (maxcol,), key):
333
275
        """Handle keys.
334
276
        This overrides the method from urwid.FlowWidget"""
335
 
        if key == "+":
336
 
            self.proxy.Enable(dbus_interface = client_interface,
337
 
                              ignore_reply=True)
338
 
        elif key == "-":
339
 
            self.proxy.Disable(dbus_interface = client_interface,
340
 
                               ignore_reply=True)
341
 
        elif key == "a":
342
 
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
343
 
                               dbus_interface = client_interface,
344
 
                               ignore_reply=True)
345
 
        elif key == "d":
346
 
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
347
 
                                  dbus_interface = client_interface,
348
 
                               ignore_reply=True)
349
 
        elif key == "R" or key == "_" or key == "ctrl k":
 
277
        if key == u"e" or key == u"+":
 
278
            self.proxy.Enable()
 
279
        elif key == u"d" or key == u"-":
 
280
            self.proxy.Disable()
 
281
        elif key == u"r" or key == u"_" or key == u"ctrl k":
350
282
            self.server_proxy_object.RemoveClient(self.proxy
351
 
                                                  .object_path,
352
 
                                                  ignore_reply=True)
353
 
        elif key == "s":
354
 
            self.proxy.StartChecker(dbus_interface = client_interface,
355
 
                                    ignore_reply=True)
356
 
        elif key == "S":
357
 
            self.proxy.StopChecker(dbus_interface = client_interface,
358
 
                                   ignore_reply=True)
359
 
        elif key == "C":
360
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
361
 
                                 ignore_reply=True)
 
283
                                                  .object_path)
 
284
        elif key == u"s":
 
285
            self.proxy.StartChecker()
 
286
        elif key == u"S":
 
287
            self.proxy.StopChecker()
 
288
        elif key == u"C":
 
289
            self.proxy.CheckedOK()
362
290
        # xxx
363
 
#         elif key == "p" or key == "=":
 
291
#         elif key == u"p" or key == "=":
364
292
#             self.proxy.pause()
365
 
#         elif key == "u" or key == ":":
 
293
#         elif key == u"u" or key == ":":
366
294
#             self.proxy.unpause()
367
 
#         elif key == "RET":
 
295
#         elif key == u"RET":
368
296
#             self.open()
369
297
        else:
370
298
            return key
371
299
    
372
 
    def properties_changed(self, interface, properties, invalidated):
373
 
        """Call self.update() if any properties changed.
 
300
    def property_changed(self, property=None, value=None,
 
301
                         *args, **kwargs):
 
302
        """Call self.update() if old value is not new value.
374
303
        This overrides the method from MandosClientPropertyCache"""
375
 
        old_values = { key: self.properties.get(key)
376
 
                       for key in properties.keys() }
377
 
        super(MandosClientWidget, self).properties_changed(
378
 
            interface, properties, invalidated)
379
 
        if any(old_values[key] != self.properties.get(key)
380
 
               for key in old_values):
 
304
        property_name = unicode(property)
 
305
        old_value = self.properties.get(property_name)
 
306
        super(MandosClientWidget, self).property_changed(
 
307
            property=property, value=value, *args, **kwargs)
 
308
        if self.properties.get(property_name) != old_value:
381
309
            self.update()
382
310
 
383
311
 
386
314
    "down" key presses, thus not allowing any containing widgets to
387
315
    use them as an excuse to shift focus away from this widget.
388
316
    """
389
 
    def keypress(self, *args, **kwargs):
390
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
391
 
        if ret in ("up", "down"):
 
317
    def keypress(self, (maxcol, maxrow), key):
 
318
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
 
319
        if ret in (u"up", u"down"):
392
320
            return
393
321
        return ret
394
322
 
397
325
    """This is the entire user interface - the whole screen
398
326
    with boxes, lists of client widgets, etc.
399
327
    """
400
 
    def __init__(self, max_log_length=1000, log_level=1):
 
328
    def __init__(self, max_log_length=1000):
401
329
        DBusGMainLoop(set_as_default=True)
402
330
        
403
331
        self.screen = urwid.curses_display.Screen()
404
332
        
405
333
        self.screen.register_palette((
406
 
                ("normal",
407
 
                 "default", "default", None),
408
 
                ("bold",
409
 
                 "bold", "default", "bold"),
410
 
                ("underline-blink",
411
 
                 "underline,blink", "default", "underline,blink"),
412
 
                ("standout",
413
 
                 "standout", "default", "standout"),
414
 
                ("bold-underline-blink",
415
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
416
 
                ("bold-standout",
417
 
                 "bold,standout", "default", "bold,standout"),
418
 
                ("underline-blink-standout",
419
 
                 "underline,blink,standout", "default",
420
 
                 "underline,blink,standout"),
421
 
                ("bold-underline-blink-standout",
422
 
                 "bold,underline,blink,standout", "default",
423
 
                 "bold,underline,blink,standout"),
 
334
                (u"normal",
 
335
                 u"default", u"default", None),
 
336
                (u"bold",
 
337
                 u"default", u"default", u"bold"),
 
338
                (u"underline-blink",
 
339
                 u"default", u"default", u"underline"),
 
340
                (u"standout",
 
341
                 u"default", u"default", u"standout"),
 
342
                (u"bold-underline-blink",
 
343
                 u"default", u"default", (u"bold", u"underline")),
 
344
                (u"bold-standout",
 
345
                 u"default", u"default", (u"bold", u"standout")),
 
346
                (u"underline-blink-standout",
 
347
                 u"default", u"default", (u"underline", u"standout")),
 
348
                (u"bold-underline-blink-standout",
 
349
                 u"default", u"default", (u"bold", u"underline",
 
350
                                          u"standout")),
424
351
                ))
425
352
        
426
353
        if urwid.supports_unicode():
427
 
            self.divider = "─" # \u2500
428
 
            #self.divider = "━" # \u2501
 
354
            self.divider = u"─" # \u2500
 
355
            #self.divider = u"━" # \u2501
429
356
        else:
430
 
            #self.divider = "-" # \u002d
431
 
            self.divider = "_" # \u005f
 
357
            #self.divider = u"-" # \u002d
 
358
            self.divider = u"_" # \u005f
432
359
        
433
360
        self.screen.start()
434
361
        
441
368
        self.log = []
442
369
        self.max_log_length = max_log_length
443
370
        
444
 
        self.log_level = log_level
445
 
        
446
371
        # We keep a reference to the log widget so we can remove it
447
372
        # from the ListWalker without it getting destroyed
448
373
        self.logbox = ConstrainedListBox(self.log)
450
375
        # This keeps track of whether self.uilist currently has
451
376
        # self.logbox in it or not
452
377
        self.log_visible = True
453
 
        self.log_wrap = "any"
 
378
        self.log_wrap = u"any"
454
379
        
455
380
        self.rebuild()
456
 
        self.log_message_raw(("bold",
457
 
                              "Mandos Monitor version " + version))
458
 
        self.log_message_raw(("bold",
459
 
                              "q: Quit  ?: Help"))
 
381
        self.log_message_raw((u"bold",
 
382
                              u"Mandos Monitor version " + version))
 
383
        self.log_message_raw((u"bold",
 
384
                              u"q: Quit  ?: Help"))
460
385
        
461
386
        self.busname = domain + '.Mandos'
462
387
        self.main_loop = gobject.MainLoop()
 
388
        self.bus = dbus.SystemBus()
 
389
        mandos_dbus_objc = self.bus.get_object(
 
390
            self.busname, u"/", follow_name_owner_changes=True)
 
391
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
392
                                          dbus_interface
 
393
                                          = server_interface)
 
394
        try:
 
395
            mandos_clients = (self.mandos_serv
 
396
                              .GetAllClientsWithProperties())
 
397
        except dbus.exceptions.DBusException:
 
398
            mandos_clients = dbus.Dictionary()
 
399
        
 
400
        (self.mandos_serv
 
401
         .connect_to_signal(u"ClientRemoved",
 
402
                            self.find_and_remove_client,
 
403
                            dbus_interface=server_interface,
 
404
                            byte_arrays=True))
 
405
        (self.mandos_serv
 
406
         .connect_to_signal(u"ClientAdded",
 
407
                            self.add_new_client,
 
408
                            dbus_interface=server_interface,
 
409
                            byte_arrays=True))
 
410
        (self.mandos_serv
 
411
         .connect_to_signal(u"ClientNotFound",
 
412
                            self.client_not_found,
 
413
                            dbus_interface=server_interface,
 
414
                            byte_arrays=True))
 
415
        for path, client in mandos_clients.iteritems():
 
416
            client_proxy_object = self.bus.get_object(self.busname,
 
417
                                                      path)
 
418
            self.add_client(MandosClientWidget(server_proxy_object
 
419
                                               =self.mandos_serv,
 
420
                                               proxy_object
 
421
                                               =client_proxy_object,
 
422
                                               properties=client,
 
423
                                               update_hook
 
424
                                               =self.refresh,
 
425
                                               delete_hook
 
426
                                               =self.remove_client,
 
427
                                               logger
 
428
                                               =self.log_message),
 
429
                            path=path)
463
430
    
464
431
    def client_not_found(self, fingerprint, address):
465
 
        self.log_message("Client with address {} and fingerprint {}"
466
 
                         " could not be found"
467
 
                         .format(address, fingerprint))
 
432
        self.log_message((u"Client with address %s and fingerprint %s"
 
433
                          u" could not be found" % (address,
 
434
                                                    fingerprint)))
468
435
    
469
436
    def rebuild(self):
470
437
        """This rebuilds the User Interface.
471
438
        Call this when the widget layout needs to change"""
472
439
        self.uilist = []
473
440
        #self.uilist.append(urwid.ListBox(self.clients))
474
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
475
 
                                                          clients),
 
441
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
476
442
                                       #header=urwid.Divider(),
477
443
                                       header=None,
478
 
                                       footer=
479
 
                                       urwid.Divider(div_char=
480
 
                                                     self.divider)))
 
444
                                       footer=urwid.Divider(div_char=self.divider)))
481
445
        if self.log_visible:
482
446
            self.uilist.append(self.logbox)
 
447
            pass
483
448
        self.topwidget = urwid.Pile(self.uilist)
484
449
    
485
 
    def log_message(self, message, level=1):
486
 
        """Log message formatted with timestamp"""
487
 
        if level < self.log_level:
488
 
            return
 
450
    def log_message(self, message):
489
451
        timestamp = datetime.datetime.now().isoformat()
490
 
        self.log_message_raw("{}: {}".format(timestamp, message),
491
 
                             level=level)
 
452
        self.log_message_raw(timestamp + u": " + message)
492
453
    
493
 
    def log_message_raw(self, markup, level=1):
 
454
    def log_message_raw(self, markup):
494
455
        """Add a log message to the log buffer."""
495
 
        if level < self.log_level:
496
 
            return
497
456
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
498
457
        if (self.max_log_length
499
458
            and len(self.log) > self.max_log_length):
500
459
            del self.log[0:len(self.log)-self.max_log_length-1]
501
460
        self.logbox.set_focus(len(self.logbox.body.contents),
502
 
                              coming_from="above")
 
461
                              coming_from=u"above")
503
462
        self.refresh()
504
463
    
505
464
    def toggle_log_display(self):
506
465
        """Toggle visibility of the log buffer."""
507
466
        self.log_visible = not self.log_visible
508
467
        self.rebuild()
509
 
        self.log_message("Log visibility changed to: {}"
510
 
                         .format(self.log_visible), level=0)
 
468
        self.log_message(u"Log visibility changed to: "
 
469
                         + unicode(self.log_visible))
511
470
    
512
471
    def change_log_display(self):
513
472
        """Change type of log display.
514
473
        Currently, this toggles wrapping of text lines."""
515
 
        if self.log_wrap == "clip":
516
 
            self.log_wrap = "any"
 
474
        if self.log_wrap == u"clip":
 
475
            self.log_wrap = u"any"
517
476
        else:
518
 
            self.log_wrap = "clip"
 
477
            self.log_wrap = u"clip"
519
478
        for textwidget in self.log:
520
479
            textwidget.set_wrap_mode(self.log_wrap)
521
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
522
 
                         level=0)
 
480
        self.log_message(u"Wrap mode: " + self.log_wrap)
523
481
    
524
482
    def find_and_remove_client(self, path, name):
525
 
        """Find a client by its object path and remove it.
 
483
        """Find an client from its object path and remove it.
526
484
        
527
485
        This is connected to the ClientRemoved signal from the
528
486
        Mandos server object."""
530
488
            client = self.clients_dict[path]
531
489
        except KeyError:
532
490
            # not found?
533
 
            self.log_message("Unknown client {!r} ({!r}) removed"
534
 
                             .format(name, path))
535
491
            return
536
 
        client.delete()
 
492
        self.remove_client(client, path)
537
493
    
538
494
    def add_new_client(self, path):
539
495
        client_proxy_object = self.bus.get_object(self.busname, path)
554
510
        if path is None:
555
511
            path = client.proxy.object_path
556
512
        self.clients_dict[path] = client
557
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
513
        self.clients.sort(None, lambda c: c.properties[u"name"])
558
514
        self.refresh()
559
515
    
560
516
    def remove_client(self, client, path=None):
562
518
        if path is None:
563
519
            path = client.proxy.object_path
564
520
        del self.clients_dict[path]
 
521
        if not self.clients_dict:
 
522
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
523
            # is completely emptied, we need to recreate it.
 
524
            self.clients = urwid.SimpleListWalker([])
 
525
            self.rebuild()
565
526
        self.refresh()
566
527
    
567
528
    def refresh(self):
571
532
    
572
533
    def run(self):
573
534
        """Start the main loop and exit when it's done."""
574
 
        self.bus = dbus.SystemBus()
575
 
        mandos_dbus_objc = self.bus.get_object(
576
 
            self.busname, "/", follow_name_owner_changes=True)
577
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
578
 
                                          dbus_interface
579
 
                                          = server_interface)
580
 
        try:
581
 
            mandos_clients = (self.mandos_serv
582
 
                              .GetAllClientsWithProperties())
583
 
            if not mandos_clients:
584
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
585
 
        except dbus.exceptions.DBusException:
586
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
587
 
            mandos_clients = dbus.Dictionary()
588
 
        
589
 
        (self.mandos_serv
590
 
         .connect_to_signal("ClientRemoved",
591
 
                            self.find_and_remove_client,
592
 
                            dbus_interface=server_interface,
593
 
                            byte_arrays=True))
594
 
        (self.mandos_serv
595
 
         .connect_to_signal("ClientAdded",
596
 
                            self.add_new_client,
597
 
                            dbus_interface=server_interface,
598
 
                            byte_arrays=True))
599
 
        (self.mandos_serv
600
 
         .connect_to_signal("ClientNotFound",
601
 
                            self.client_not_found,
602
 
                            dbus_interface=server_interface,
603
 
                            byte_arrays=True))
604
 
        for path, client in mandos_clients.items():
605
 
            client_proxy_object = self.bus.get_object(self.busname,
606
 
                                                      path)
607
 
            self.add_client(MandosClientWidget(server_proxy_object
608
 
                                               =self.mandos_serv,
609
 
                                               proxy_object
610
 
                                               =client_proxy_object,
611
 
                                               properties=client,
612
 
                                               update_hook
613
 
                                               =self.refresh,
614
 
                                               delete_hook
615
 
                                               =self.remove_client,
616
 
                                               logger
617
 
                                               =self.log_message),
618
 
                            path=path)
619
 
        
620
535
        self.refresh()
621
536
        self._input_callback_tag = (gobject.io_add_watch
622
537
                                    (sys.stdin.fileno(),
632
547
    
633
548
    def process_input(self, source, condition):
634
549
        keys = self.screen.get_input()
635
 
        translations = { "ctrl n": "down",      # Emacs
636
 
                         "ctrl p": "up",        # Emacs
637
 
                         "ctrl v": "page down", # Emacs
638
 
                         "meta v": "page up",   # Emacs
639
 
                         " ": "page down",      # less
640
 
                         "f": "page down",      # less
641
 
                         "b": "page up",        # less
642
 
                         "j": "down",           # vi
643
 
                         "k": "up",             # vi
 
550
        translations = { u"ctrl n": u"down",      # Emacs
 
551
                         u"ctrl p": u"up",        # Emacs
 
552
                         u"ctrl v": u"page down", # Emacs
 
553
                         u"meta v": u"page up",   # Emacs
 
554
                         u" ": u"page down",      # less
 
555
                         u"f": u"page down",      # less
 
556
                         u"b": u"page up",        # less
 
557
                         u"j": u"down",           # vi
 
558
                         u"k": u"up",             # vi
644
559
                         }
645
560
        for key in keys:
646
561
            try:
648
563
            except KeyError:    # :-)
649
564
                pass
650
565
            
651
 
            if key == "q" or key == "Q":
 
566
            if key == u"q" or key == u"Q":
652
567
                self.stop()
653
568
                break
654
 
            elif key == "window resize":
 
569
            elif key == u"window resize":
655
570
                self.size = self.screen.get_cols_rows()
656
571
                self.refresh()
657
 
            elif key == "ctrl l":
658
 
                self.screen.clear()
 
572
            elif key == u"\f":  # Ctrl-L
659
573
                self.refresh()
660
 
            elif key == "l" or key == "D":
 
574
            elif key == u"l" or key == u"D":
661
575
                self.toggle_log_display()
662
576
                self.refresh()
663
 
            elif key == "w" or key == "i":
 
577
            elif key == u"w" or key == u"i":
664
578
                self.change_log_display()
665
579
                self.refresh()
666
 
            elif key == "?" or key == "f1" or key == "esc":
 
580
            elif key == u"?" or key == u"f1" or key == u"esc":
667
581
                if not self.log_visible:
668
582
                    self.log_visible = True
669
583
                    self.rebuild()
670
 
                self.log_message_raw(("bold",
671
 
                                      "  ".
672
 
                                      join(("q: Quit",
673
 
                                            "?: Help",
674
 
                                            "l: Log window toggle",
675
 
                                            "TAB: Switch window",
676
 
                                            "w: Wrap (log lines)",
677
 
                                            "v: Toggle verbose log",
678
 
                                            ))))
679
 
                self.log_message_raw(("bold",
680
 
                                      "  "
681
 
                                      .join(("Clients:",
682
 
                                             "+: Enable",
683
 
                                             "-: Disable",
684
 
                                             "R: Remove",
685
 
                                             "s: Start new checker",
686
 
                                             "S: Stop checker",
687
 
                                             "C: Checker OK",
688
 
                                             "a: Approve",
689
 
                                             "d: Deny"))))
 
584
                self.log_message_raw((u"bold",
 
585
                                      u"  ".
 
586
                                      join((u"q: Quit",
 
587
                                            u"?: Help",
 
588
                                            u"l: Log window toggle",
 
589
                                            u"TAB: Switch window",
 
590
                                            u"w: Wrap (log)"))))
 
591
                self.log_message_raw((u"bold",
 
592
                                      u"  "
 
593
                                      .join((u"Clients:",
 
594
                                             u"e: Enable",
 
595
                                             u"d: Disable",
 
596
                                             u"r: Remove",
 
597
                                             u"s: Start new checker",
 
598
                                             u"S: Stop checker",
 
599
                                             u"C: Checker OK"))))
690
600
                self.refresh()
691
 
            elif key == "tab":
 
601
            elif key == u"tab":
692
602
                if self.topwidget.get_focus() is self.logbox:
693
603
                    self.topwidget.set_focus(0)
694
604
                else:
695
605
                    self.topwidget.set_focus(self.logbox)
696
606
                self.refresh()
697
 
            elif key == "v":
698
 
                if self.log_level == 0:
699
 
                    self.log_level = 1
700
 
                    self.log_message("Verbose mode: Off")
701
 
                else:
702
 
                    self.log_level = 0
703
 
                    self.log_message("Verbose mode: On")
704
 
            #elif (key == "end" or key == "meta >" or key == "G"
705
 
            #      or key == ">"):
 
607
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
608
            #      or key == u">"):
706
609
            #    pass            # xxx end-of-buffer
707
 
            #elif (key == "home" or key == "meta <" or key == "g"
708
 
            #      or key == "<"):
 
610
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
611
            #      or key == u"<"):
709
612
            #    pass            # xxx beginning-of-buffer
710
 
            #elif key == "ctrl e" or key == "$":
 
613
            #elif key == u"ctrl e" or key == u"$":
711
614
            #    pass            # xxx move-end-of-line
712
 
            #elif key == "ctrl a" or key == "^":
 
615
            #elif key == u"ctrl a" or key == u"^":
713
616
            #    pass            # xxx move-beginning-of-line
714
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
617
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
715
618
            #    pass            # xxx left
716
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
619
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
717
620
            #    pass            # xxx right
718
 
            #elif key == "a":
 
621
            #elif key == u"a":
719
622
            #    pass            # scroll up log
720
 
            #elif key == "z":
 
623
            #elif key == u"z":
721
624
            #    pass            # scroll down log
722
625
            elif self.topwidget.selectable():
723
626
                self.topwidget.keypress(self.size, key)
727
630
ui = UserInterface()
728
631
try:
729
632
    ui.run()
730
 
except KeyboardInterrupt:
731
 
    ui.screen.stop()
732
 
except Exception as e:
733
 
    ui.log_message(str(e))
 
633
except Exception, e:
 
634
    ui.log_message(unicode(e))
734
635
    ui.screen.stop()
735
636
    raise