/mandos/trunk

To get this branch, use:
bzr branch http://bzr.recompile.se/loggerhead/mandos/trunk

« back to all changes in this revision

Viewing changes to mandos-monitor

  • Committer: Teddy Hogeborn
  • Date: 2010-09-26 17:44:43 UTC
  • Revision ID: teddy@fukt.bsnet.se-20100926174443-452k363uuvczuuzg
* mandos-ctl: Also show "LastApprovalRequest" property.

Show diffs side-by-side

added added

removed removed

Lines of Context:
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 © 2009-2012 Teddy Hogeborn
7
 
# Copyright © 2009-2012 Björn Påhlsson
8
 
9
 
# This program is free software: you can redistribute it and/or modify
10
 
# it under the terms of the GNU General Public License as published by
11
 
# the Free Software Foundation, either version 3 of the License, or
12
 
# (at your option) any later version.
13
 
#
14
 
#     This program is distributed in the hope that it will be useful,
15
 
#     but WITHOUT ANY WARRANTY; without even the implied warranty of
16
 
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17
 
#     GNU General Public License for more details.
18
 
19
 
# You should have received a copy of the GNU General Public License
20
 
# along with this program.  If not, see
21
 
# <http://www.gnu.org/licenses/>.
22
 
23
 
# Contact the authors at <mandos@recompile.se>.
24
 
25
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
40
13
import urwid
41
14
 
42
15
from dbus.mainloop.glib import DBusGMainLoop
43
 
try:
44
 
    import gobject
45
 
except ImportError:
46
 
    from gi.repository import GObject as gobject
 
16
import gobject
47
17
 
48
18
import dbus
49
19
 
 
20
import UserList
 
21
 
50
22
import locale
51
23
 
52
 
if sys.version_info[0] == 2:
53
 
    str = unicode
54
 
 
55
 
locale.setlocale(locale.LC_ALL, '')
 
24
locale.setlocale(locale.LC_ALL, u'')
56
25
 
57
26
import logging
58
27
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
59
28
 
60
29
# Some useful constants
61
 
domain = 'se.recompile'
 
30
domain = 'se.bsnet.fukt'
62
31
server_interface = domain + '.Mandos'
63
32
client_interface = domain + '.Mandos.Client'
64
 
version = "1.6.0"
 
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)
65
42
 
66
43
def isoformat_to_datetime(iso):
67
44
    "Parse an ISO 8601 date string to a datetime.datetime()"
68
45
    if not iso:
69
46
        return None
70
 
    d, t = iso.split("T", 1)
71
 
    year, month, day = d.split("-", 2)
72
 
    hour, minute, second = t.split(":", 2)
 
47
    d, t = iso.split(u"T", 1)
 
48
    year, month, day = d.split(u"-", 2)
 
49
    hour, minute, second = t.split(u":", 2)
73
50
    second, fraction = divmod(float(second), 1)
74
51
    return datetime.datetime(int(year),
75
52
                             int(month),
84
61
    properties and calls a hook function when any of them are
85
62
    changed.
86
63
    """
87
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
64
    def __init__(self, proxy_object=None, *args, **kwargs):
88
65
        self.proxy = proxy_object # Mandos Client proxy object
89
 
        self.properties = dict() if properties is None else properties
90
 
        self.property_changed_match = (
91
 
            self.proxy.connect_to_signal("PropertyChanged",
92
 
                                         self._property_changed,
93
 
                                         client_interface,
94
 
                                         byte_arrays=True))
95
 
        
96
 
        if properties is None:
97
 
            self.properties.update(
98
 
                self.proxy.GetAll(client_interface,
99
 
                                  dbus_interface
100
 
                                  = dbus.PROPERTIES_IFACE))
101
 
        
102
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
103
 
    
104
 
    def _property_changed(self, property, value):
105
 
        """Helper which takes positional arguments"""
106
 
        return self.property_changed(property=property, value=value)
 
66
        
 
67
        self.properties = dict()
 
68
        self.proxy.connect_to_signal(u"PropertyChanged",
 
69
                                     self.property_changed,
 
70
                                     client_interface,
 
71
                                     byte_arrays=True)
 
72
        
 
73
        self.properties.update(
 
74
            self.proxy.GetAll(client_interface,
 
75
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
76
 
 
77
        #XXX This break good super behaviour!
 
78
#        super(MandosClientPropertyCache, self).__init__(
 
79
#            *args, **kwargs)
107
80
    
108
81
    def property_changed(self, property=None, value=None):
109
82
        """This is called whenever we get a PropertyChanged signal
111
84
        """
112
85
        # Update properties dict with new value
113
86
        self.properties[property] = value
114
 
    
115
 
    def delete(self):
116
 
        self.property_changed_match.remove()
117
87
 
118
88
 
119
89
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
121
91
    """
122
92
    
123
93
    def __init__(self, server_proxy_object=None, update_hook=None,
124
 
                 delete_hook=None, logger=None, **kwargs):
 
94
                 delete_hook=None, logger=None, *args, **kwargs):
125
95
        # Called on update
126
96
        self.update_hook = update_hook
127
97
        # Called on delete
132
102
        self.logger = logger
133
103
        
134
104
        self._update_timer_callback_tag = None
 
105
        self._update_timer_callback_lock = 0
 
106
        self.last_checker_failed = False
135
107
        
136
108
        # The widget shown normally
137
 
        self._text_widget = urwid.Text("")
 
109
        self._text_widget = urwid.Text(u"")
138
110
        # The widget shown when we have focus
139
 
        self._focus_text_widget = urwid.Text("")
140
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
111
        self._focus_text_widget = urwid.Text(u"")
 
112
        super(MandosClientWidget, self).__init__(
 
113
            update_hook=update_hook, delete_hook=delete_hook,
 
114
            *args, **kwargs)
141
115
        self.update()
142
116
        self.opened = False
143
117
        
144
 
        self.match_objects = (
145
 
            self.proxy.connect_to_signal("CheckerCompleted",
146
 
                                         self.checker_completed,
147
 
                                         client_interface,
148
 
                                         byte_arrays=True),
149
 
            self.proxy.connect_to_signal("CheckerStarted",
150
 
                                         self.checker_started,
151
 
                                         client_interface,
152
 
                                         byte_arrays=True),
153
 
            self.proxy.connect_to_signal("GotSecret",
154
 
                                         self.got_secret,
155
 
                                         client_interface,
156
 
                                         byte_arrays=True),
157
 
            self.proxy.connect_to_signal("NeedApproval",
158
 
                                         self.need_approval,
159
 
                                         client_interface,
160
 
                                         byte_arrays=True),
161
 
            self.proxy.connect_to_signal("Rejected",
162
 
                                         self.rejected,
163
 
                                         client_interface,
164
 
                                         byte_arrays=True))
165
 
        #self.logger('Created client {0}'
166
 
        #            .format(self.properties["Name"]))
 
118
        last_checked_ok = isoformat_to_datetime(self.properties
 
119
                                                [u"LastCheckedOK"])
 
120
        if last_checked_ok is None:
 
121
            self.last_checker_failed = True
 
122
        else:
 
123
            self.last_checker_failed = ((datetime.datetime.utcnow()
 
124
                                         - last_checked_ok)
 
125
                                        > datetime.timedelta
 
126
                                        (milliseconds=
 
127
                                         self.properties
 
128
                                         [u"Interval"]))
 
129
        
 
130
        if self.last_checker_failed:
 
131
            self.using_timer(True)
 
132
        
 
133
        if self.need_approval:
 
134
            self.using_timer(True)
 
135
        
 
136
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
137
                                     self.checker_completed,
 
138
                                     client_interface,
 
139
                                     byte_arrays=True)
 
140
        self.proxy.connect_to_signal(u"CheckerStarted",
 
141
                                     self.checker_started,
 
142
                                     client_interface,
 
143
                                     byte_arrays=True)
 
144
        self.proxy.connect_to_signal(u"GotSecret",
 
145
                                     self.got_secret,
 
146
                                     client_interface,
 
147
                                     byte_arrays=True)
 
148
        self.proxy.connect_to_signal(u"NeedApproval",
 
149
                                     self.need_approval,
 
150
                                     client_interface,
 
151
                                     byte_arrays=True)
 
152
        self.proxy.connect_to_signal(u"Rejected",
 
153
                                     self.rejected,
 
154
                                     client_interface,
 
155
                                     byte_arrays=True)
167
156
    
 
157
    def property_changed(self, property=None, value=None):
 
158
        super(self, MandosClientWidget).property_changed(property,
 
159
                                                         value)
 
160
        if property == u"ApprovalPending":
 
161
            using_timer(bool(value))
 
162
        
168
163
    def using_timer(self, flag):
169
164
        """Call this method with True or False when timer should be
170
165
        activated or deactivated.
171
166
        """
172
 
        if flag and self._update_timer_callback_tag is None:
173
 
            # Will update the shown timer value every second
 
167
        old = self._update_timer_callback_lock
 
168
        if flag:
 
169
            self._update_timer_callback_lock += 1
 
170
        else:
 
171
            self._update_timer_callback_lock -= 1
 
172
        if old == 0 and self._update_timer_callback_lock:
174
173
            self._update_timer_callback_tag = (gobject.timeout_add
175
174
                                               (1000,
176
175
                                                self.update_timer))
177
 
        elif not (flag or self._update_timer_callback_tag is None):
 
176
        elif old and self._update_timer_callback_lock == 0:
178
177
            gobject.source_remove(self._update_timer_callback_tag)
179
178
            self._update_timer_callback_tag = None
180
179
    
181
180
    def checker_completed(self, exitstatus, condition, command):
182
181
        if exitstatus == 0:
 
182
            if self.last_checker_failed:
 
183
                self.last_checker_failed = False
 
184
                self.using_timer(False)
 
185
            #self.logger(u'Checker for client %s (command "%s")'
 
186
            #            u' was successful'
 
187
            #            % (self.properties[u"Name"], command))
183
188
            self.update()
184
189
            return
185
190
        # Checker failed
 
191
        if not self.last_checker_failed:
 
192
            self.last_checker_failed = True
 
193
            self.using_timer(True)
186
194
        if os.WIFEXITED(condition):
187
 
            self.logger('Checker for client {0} (command "{1}")'
188
 
                        ' failed with exit code {2}'
189
 
                        .format(self.properties["Name"], command,
190
 
                                os.WEXITSTATUS(condition)))
 
195
            self.logger(u'Checker for client %s (command "%s")'
 
196
                        u' failed with exit code %s'
 
197
                        % (self.properties[u"Name"], command,
 
198
                           os.WEXITSTATUS(condition)))
191
199
        elif os.WIFSIGNALED(condition):
192
 
            self.logger('Checker for client {0} (command "{1}") was'
193
 
                        ' killed by signal {2}'
194
 
                        .format(self.properties["Name"], command,
195
 
                                os.WTERMSIG(condition)))
 
200
            self.logger(u'Checker for client %s (command "%s")'
 
201
                        u' was killed by signal %s'
 
202
                        % (self.properties[u"Name"], command,
 
203
                           os.WTERMSIG(condition)))
196
204
        elif os.WCOREDUMP(condition):
197
 
            self.logger('Checker for client {0} (command "{1}")'
198
 
                        ' dumped core'
199
 
                        .format(self.properties["Name"], command))
 
205
            self.logger(u'Checker for client %s (command "%s")'
 
206
                        u' dumped core'
 
207
                        % (self.properties[u"Name"], command))
200
208
        else:
201
 
            self.logger('Checker for client {0} completed'
202
 
                        ' mysteriously'
203
 
                        .format(self.properties["Name"]))
 
209
            self.logger(u'Checker for client %s completed'
 
210
                        u' mysteriously')
204
211
        self.update()
205
212
    
206
213
    def checker_started(self, command):
207
 
        """Server signals that a checker started. This could be useful
208
 
           to log in the future. """
209
 
        #self.logger('Client {0} started checker "{1}"'
210
 
        #            .format(self.properties["Name"],
211
 
        #                    str(command)))
 
214
        #self.logger(u'Client %s started checker "%s"'
 
215
        #            % (self.properties[u"Name"], unicode(command)))
212
216
        pass
213
217
    
214
218
    def got_secret(self):
215
 
        self.logger('Client {0} received its secret'
216
 
                    .format(self.properties["Name"]))
 
219
        self.last_checker_failed = False
 
220
        self.logger(u'Client %s received its secret'
 
221
                    % self.properties[u"Name"])
217
222
    
218
223
    def need_approval(self, timeout, default):
219
224
        if not default:
220
 
            message = 'Client {0} needs approval within {1} seconds'
 
225
            message = u'Client %s needs approval within %s seconds'
221
226
        else:
222
 
            message = 'Client {0} will get its secret in {1} seconds'
223
 
        self.logger(message.format(self.properties["Name"],
224
 
                                   timeout/1000))
 
227
            message = u'Client %s will get its secret in %s seconds'
 
228
        self.logger(message
 
229
                    % (self.properties[u"Name"], timeout/1000))
 
230
        self.using_timer(True)
225
231
    
226
232
    def rejected(self, reason):
227
 
        self.logger('Client {0} was rejected; reason: {1}'
228
 
                    .format(self.properties["Name"], reason))
 
233
        self.logger(u'Client %s was rejected; reason: %s'
 
234
                    % (self.properties[u"Name"], reason))
229
235
    
230
236
    def selectable(self):
231
237
        """Make this a "selectable" widget.
232
238
        This overrides the method from urwid.FlowWidget."""
233
239
        return True
234
240
    
235
 
    def rows(self, maxcolrow, focus=False):
 
241
    def rows(self, (maxcol,), focus=False):
236
242
        """How many rows this widget will occupy might depend on
237
243
        whether we have focus or not.
238
244
        This overrides the method from urwid.FlowWidget"""
239
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
245
        return self.current_widget(focus).rows((maxcol,), focus=focus)
240
246
    
241
247
    def current_widget(self, focus=False):
242
248
        if focus or self.opened:
246
252
    def update(self):
247
253
        "Called when what is visible on the screen should be updated."
248
254
        # How to add standout mode to a style
249
 
        with_standout = { "normal": "standout",
250
 
                          "bold": "bold-standout",
251
 
                          "underline-blink":
252
 
                              "underline-blink-standout",
253
 
                          "bold-underline-blink":
254
 
                              "bold-underline-blink-standout",
 
255
        with_standout = { u"normal": u"standout",
 
256
                          u"bold": u"bold-standout",
 
257
                          u"underline-blink":
 
258
                              u"underline-blink-standout",
 
259
                          u"bold-underline-blink":
 
260
                              u"bold-underline-blink-standout",
255
261
                          }
256
 
        
 
262
 
257
263
        # Rebuild focus and non-focus widgets using current properties
258
 
        
 
264
 
259
265
        # 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"]:
 
266
        base = (u'%(name)s: '
 
267
                      % {u"name": self.properties[u"Name"]})
 
268
        if not self.properties[u"Enabled"]:
 
269
            message = u"DISABLED"
 
270
        elif self.properties[u"ApprovalPending"]:
265
271
            timeout = datetime.timedelta(milliseconds
266
272
                                         = self.properties
267
 
                                         ["ApprovalDelay"])
 
273
                                         [u"ApprovalDelay"])
268
274
            last_approval_request = isoformat_to_datetime(
269
 
                self.properties["LastApprovalRequest"])
 
275
                self.properties[u"LastApprovalRequest"])
270
276
            if last_approval_request is not None:
271
 
                timer = max(timeout - (datetime.datetime.utcnow()
272
 
                                       - last_approval_request),
273
 
                            datetime.timedelta())
 
277
                timer = timeout - (datetime.datetime.utcnow()
 
278
                                   - last_approval_request)
274
279
            else:
275
280
                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)
 
281
            if self.properties[u"ApprovedByDefault"]:
 
282
                message = u"Approval in %s. (d)eny?"
 
283
            else:
 
284
                message = u"Denial in %s. (a)pprove?"
 
285
            message = message % unicode(timer).rsplit(".", 1)[0]
 
286
        elif self.last_checker_failed:
 
287
            timeout = datetime.timedelta(milliseconds
 
288
                                         = self.properties
 
289
                                         [u"Timeout"])
 
290
            last_ok = isoformat_to_datetime(
 
291
                max((self.properties[u"LastCheckedOK"]
 
292
                     or self.properties[u"Created"]),
 
293
                    self.properties[u"LastEnabled"]))
 
294
            timer = timeout - (datetime.datetime.utcnow() - last_ok)
 
295
            message = (u'A checker has failed! Time until client'
 
296
                       u' gets disabled: %s'
 
297
                           % unicode(timer).rsplit(".", 1)[0])
296
298
        else:
297
 
            message = "enabled"
298
 
            self.using_timer(False)
299
 
        self._text = "{0}{1}".format(base, message)
300
 
        
 
299
            message = u"enabled"
 
300
        self._text = "%s%s" % (base, message)
 
301
            
301
302
        if not urwid.supports_unicode():
302
303
            self._text = self._text.encode("ascii", "replace")
303
 
        textlist = [("normal", self._text)]
 
304
        textlist = [(u"normal", self._text)]
304
305
        self._text_widget.set_text(textlist)
305
306
        self._focus_text_widget.set_text([(with_standout[text[0]],
306
307
                                           text[1])
315
316
            self.update_hook()
316
317
    
317
318
    def update_timer(self):
318
 
        """called by gobject. Will indefinitely loop until
319
 
        gobject.source_remove() on tag is called"""
 
319
        "called by gobject"
320
320
        self.update()
321
321
        return True             # Keep calling this
322
322
    
323
 
    def delete(self, **kwargs):
 
323
    def delete(self):
324
324
        if self._update_timer_callback_tag is not None:
325
325
            gobject.source_remove(self._update_timer_callback_tag)
326
326
            self._update_timer_callback_tag = None
327
 
        for match in self.match_objects:
328
 
            match.remove()
329
 
        self.match_objects = ()
330
327
        if self.delete_hook is not None:
331
328
            self.delete_hook(self)
332
 
        return super(MandosClientWidget, self).delete(**kwargs)
333
329
    
334
 
    def render(self, maxcolrow, focus=False):
 
330
    def render(self, (maxcol,), focus=False):
335
331
        """Render differently if we have focus.
336
332
        This overrides the method from urwid.FlowWidget"""
337
 
        return self.current_widget(focus).render(maxcolrow,
 
333
        return self.current_widget(focus).render((maxcol,),
338
334
                                                 focus=focus)
339
335
    
340
 
    def keypress(self, maxcolrow, key):
 
336
    def keypress(self, (maxcol,), key):
341
337
        """Handle keys.
342
338
        This overrides the method from urwid.FlowWidget"""
343
 
        if key == "+":
344
 
            self.proxy.Enable(dbus_interface = client_interface,
345
 
                              ignore_reply=True)
346
 
        elif key == "-":
347
 
            self.proxy.Disable(dbus_interface = client_interface,
348
 
                               ignore_reply=True)
349
 
        elif key == "a":
 
339
        if key == u"+":
 
340
            self.proxy.Enable(dbus_interface = client_interface)
 
341
        elif key == u"-":
 
342
            self.proxy.Disable(dbus_interface = client_interface)
 
343
        elif key == u"a":
350
344
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
351
 
                               dbus_interface = client_interface,
352
 
                               ignore_reply=True)
353
 
        elif key == "d":
 
345
                               dbus_interface = client_interface)
 
346
        elif key == u"d":
354
347
            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":
 
348
                                  dbus_interface = client_interface)
 
349
        elif key == u"r" or key == u"_" or key == u"ctrl k":
358
350
            self.server_proxy_object.RemoveClient(self.proxy
359
 
                                                  .object_path,
360
 
                                                  ignore_reply=True)
361
 
        elif key == "s":
362
 
            self.proxy.StartChecker(dbus_interface = client_interface,
363
 
                                    ignore_reply=True)
364
 
        elif key == "S":
365
 
            self.proxy.StopChecker(dbus_interface = client_interface,
366
 
                                   ignore_reply=True)
367
 
        elif key == "C":
368
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
369
 
                                 ignore_reply=True)
 
351
                                                  .object_path)
 
352
        elif key == u"s":
 
353
            self.proxy.StartChecker(dbus_interface = client_interface)
 
354
        elif key == u"S":
 
355
            self.proxy.StopChecker(dbus_interface = client_interface)
 
356
        elif key == u"C":
 
357
            self.proxy.CheckedOK(dbus_interface = client_interface)
370
358
        # xxx
371
 
#         elif key == "p" or key == "=":
 
359
#         elif key == u"p" or key == "=":
372
360
#             self.proxy.pause()
373
 
#         elif key == "u" or key == ":":
 
361
#         elif key == u"u" or key == ":":
374
362
#             self.proxy.unpause()
375
 
#         elif key == "RET":
 
363
#         elif key == u"RET":
376
364
#             self.open()
377
365
        else:
378
366
            return key
379
367
    
380
 
    def property_changed(self, property=None, **kwargs):
 
368
    def property_changed(self, property=None, value=None,
 
369
                         *args, **kwargs):
381
370
        """Call self.update() if old value is not new value.
382
371
        This overrides the method from MandosClientPropertyCache"""
383
 
        property_name = str(property)
 
372
        property_name = unicode(property)
384
373
        old_value = self.properties.get(property_name)
385
374
        super(MandosClientWidget, self).property_changed(
386
 
            property=property, **kwargs)
 
375
            property=property, value=value, *args, **kwargs)
387
376
        if self.properties.get(property_name) != old_value:
388
377
            self.update()
389
378
 
393
382
    "down" key presses, thus not allowing any containing widgets to
394
383
    use them as an excuse to shift focus away from this widget.
395
384
    """
396
 
    def keypress(self, *args, **kwargs):
397
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
398
 
        if ret in ("up", "down"):
 
385
    def keypress(self, (maxcol, maxrow), key):
 
386
        ret = super(ConstrainedListBox, self).keypress((maxcol,
 
387
                                                        maxrow), key)
 
388
        if ret in (u"up", u"down"):
399
389
            return
400
390
        return ret
401
391
 
410
400
        self.screen = urwid.curses_display.Screen()
411
401
        
412
402
        self.screen.register_palette((
413
 
                ("normal",
414
 
                 "default", "default", None),
415
 
                ("bold",
416
 
                 "bold", "default", "bold"),
417
 
                ("underline-blink",
418
 
                 "underline,blink", "default", "underline,blink"),
419
 
                ("standout",
420
 
                 "standout", "default", "standout"),
421
 
                ("bold-underline-blink",
422
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
423
 
                ("bold-standout",
424
 
                 "bold,standout", "default", "bold,standout"),
425
 
                ("underline-blink-standout",
426
 
                 "underline,blink,standout", "default",
427
 
                 "underline,blink,standout"),
428
 
                ("bold-underline-blink-standout",
429
 
                 "bold,underline,blink,standout", "default",
430
 
                 "bold,underline,blink,standout"),
 
403
                (u"normal",
 
404
                 u"default", u"default", None),
 
405
                (u"bold",
 
406
                 u"default", u"default", u"bold"),
 
407
                (u"underline-blink",
 
408
                 u"default", u"default", u"underline"),
 
409
                (u"standout",
 
410
                 u"default", u"default", u"standout"),
 
411
                (u"bold-underline-blink",
 
412
                 u"default", u"default", (u"bold", u"underline")),
 
413
                (u"bold-standout",
 
414
                 u"default", u"default", (u"bold", u"standout")),
 
415
                (u"underline-blink-standout",
 
416
                 u"default", u"default", (u"underline", u"standout")),
 
417
                (u"bold-underline-blink-standout",
 
418
                 u"default", u"default", (u"bold", u"underline",
 
419
                                          u"standout")),
431
420
                ))
432
421
        
433
422
        if urwid.supports_unicode():
434
 
            self.divider = "─" # \u2500
435
 
            #self.divider = "━" # \u2501
 
423
            self.divider = u"─" # \u2500
 
424
            #self.divider = u"━" # \u2501
436
425
        else:
437
 
            #self.divider = "-" # \u002d
438
 
            self.divider = "_" # \u005f
 
426
            #self.divider = u"-" # \u002d
 
427
            self.divider = u"_" # \u005f
439
428
        
440
429
        self.screen.start()
441
430
        
455
444
        # This keeps track of whether self.uilist currently has
456
445
        # self.logbox in it or not
457
446
        self.log_visible = True
458
 
        self.log_wrap = "any"
 
447
        self.log_wrap = u"any"
459
448
        
460
449
        self.rebuild()
461
 
        self.log_message_raw(("bold",
462
 
                              "Mandos Monitor version " + version))
463
 
        self.log_message_raw(("bold",
464
 
                              "q: Quit  ?: Help"))
 
450
        self.log_message_raw((u"bold",
 
451
                              u"Mandos Monitor version " + version))
 
452
        self.log_message_raw((u"bold",
 
453
                              u"q: Quit  ?: Help"))
465
454
        
466
455
        self.busname = domain + '.Mandos'
467
456
        self.main_loop = gobject.MainLoop()
 
457
        self.bus = dbus.SystemBus()
 
458
        mandos_dbus_objc = self.bus.get_object(
 
459
            self.busname, u"/", follow_name_owner_changes=True)
 
460
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
461
                                          dbus_interface
 
462
                                          = server_interface)
 
463
        try:
 
464
            mandos_clients = (self.mandos_serv
 
465
                              .GetAllClientsWithProperties())
 
466
        except dbus.exceptions.DBusException:
 
467
            mandos_clients = dbus.Dictionary()
 
468
        
 
469
        (self.mandos_serv
 
470
         .connect_to_signal(u"ClientRemoved",
 
471
                            self.find_and_remove_client,
 
472
                            dbus_interface=server_interface,
 
473
                            byte_arrays=True))
 
474
        (self.mandos_serv
 
475
         .connect_to_signal(u"ClientAdded",
 
476
                            self.add_new_client,
 
477
                            dbus_interface=server_interface,
 
478
                            byte_arrays=True))
 
479
        (self.mandos_serv
 
480
         .connect_to_signal(u"ClientNotFound",
 
481
                            self.client_not_found,
 
482
                            dbus_interface=server_interface,
 
483
                            byte_arrays=True))
 
484
        for path, client in mandos_clients.iteritems():
 
485
            client_proxy_object = self.bus.get_object(self.busname,
 
486
                                                      path)
 
487
            self.add_client(MandosClientWidget(server_proxy_object
 
488
                                               =self.mandos_serv,
 
489
                                               proxy_object
 
490
                                               =client_proxy_object,
 
491
                                               properties=client,
 
492
                                               update_hook
 
493
                                               =self.refresh,
 
494
                                               delete_hook
 
495
                                               =self.remove_client,
 
496
                                               logger
 
497
                                               =self.log_message),
 
498
                            path=path)
468
499
    
469
500
    def client_not_found(self, fingerprint, address):
470
 
        self.log_message("Client with address {0} and fingerprint"
471
 
                         " {1} could not be found"
472
 
                         .format(address, fingerprint))
 
501
        self.log_message((u"Client with address %s and fingerprint %s"
 
502
                          u" could not be found" % (address,
 
503
                                                    fingerprint)))
473
504
    
474
505
    def rebuild(self):
475
506
        """This rebuilds the User Interface.
485
516
                                                     self.divider)))
486
517
        if self.log_visible:
487
518
            self.uilist.append(self.logbox)
 
519
            pass
488
520
        self.topwidget = urwid.Pile(self.uilist)
489
521
    
490
522
    def log_message(self, message):
491
 
        """Log message formatted with timestamp"""
492
523
        timestamp = datetime.datetime.now().isoformat()
493
 
        self.log_message_raw(timestamp + ": " + message)
 
524
        self.log_message_raw(timestamp + u": " + message)
494
525
    
495
526
    def log_message_raw(self, markup):
496
527
        """Add a log message to the log buffer."""
499
530
            and len(self.log) > self.max_log_length):
500
531
            del self.log[0:len(self.log)-self.max_log_length-1]
501
532
        self.logbox.set_focus(len(self.logbox.body.contents),
502
 
                              coming_from="above")
 
533
                              coming_from=u"above")
503
534
        self.refresh()
504
535
    
505
536
    def toggle_log_display(self):
506
537
        """Toggle visibility of the log buffer."""
507
538
        self.log_visible = not self.log_visible
508
539
        self.rebuild()
509
 
        #self.log_message("Log visibility changed to: "
510
 
        #                 + str(self.log_visible))
 
540
        #self.log_message(u"Log visibility changed to: "
 
541
        #                 + unicode(self.log_visible))
511
542
    
512
543
    def change_log_display(self):
513
544
        """Change type of log display.
514
545
        Currently, this toggles wrapping of text lines."""
515
 
        if self.log_wrap == "clip":
516
 
            self.log_wrap = "any"
 
546
        if self.log_wrap == u"clip":
 
547
            self.log_wrap = u"any"
517
548
        else:
518
 
            self.log_wrap = "clip"
 
549
            self.log_wrap = u"clip"
519
550
        for textwidget in self.log:
520
551
            textwidget.set_wrap_mode(self.log_wrap)
521
 
        #self.log_message("Wrap mode: " + self.log_wrap)
 
552
        #self.log_message(u"Wrap mode: " + self.log_wrap)
522
553
    
523
554
    def find_and_remove_client(self, path, name):
524
 
        """Find a client by its object path and remove it.
 
555
        """Find an client from its object path and remove it.
525
556
        
526
557
        This is connected to the ClientRemoved signal from the
527
558
        Mandos server object."""
529
560
            client = self.clients_dict[path]
530
561
        except KeyError:
531
562
            # not found?
532
 
            self.log_message("Unknown client {0!r} ({1!r}) removed"
533
 
                             .format(name, path))
534
563
            return
535
 
        client.delete()
 
564
        self.remove_client(client, path)
536
565
    
537
566
    def add_new_client(self, path):
538
567
        client_proxy_object = self.bus.get_object(self.busname, path)
553
582
        if path is None:
554
583
            path = client.proxy.object_path
555
584
        self.clients_dict[path] = client
556
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
585
        self.clients.sort(None, lambda c: c.properties[u"Name"])
557
586
        self.refresh()
558
587
    
559
588
    def remove_client(self, client, path=None):
561
590
        if path is None:
562
591
            path = client.proxy.object_path
563
592
        del self.clients_dict[path]
 
593
        if not self.clients_dict:
 
594
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
595
            # is completely emptied, we need to recreate it.
 
596
            self.clients = urwid.SimpleListWalker([])
 
597
            self.rebuild()
564
598
        self.refresh()
565
599
    
566
600
    def refresh(self):
570
604
    
571
605
    def run(self):
572
606
        """Start the main loop and exit when it's done."""
573
 
        self.bus = dbus.SystemBus()
574
 
        mandos_dbus_objc = self.bus.get_object(
575
 
            self.busname, "/", follow_name_owner_changes=True)
576
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
577
 
                                          dbus_interface
578
 
                                          = server_interface)
579
 
        try:
580
 
            mandos_clients = (self.mandos_serv
581
 
                              .GetAllClientsWithProperties())
582
 
            if not mandos_clients:
583
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
584
 
        except dbus.exceptions.DBusException:
585
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
586
 
            mandos_clients = dbus.Dictionary()
587
 
        
588
 
        (self.mandos_serv
589
 
         .connect_to_signal("ClientRemoved",
590
 
                            self.find_and_remove_client,
591
 
                            dbus_interface=server_interface,
592
 
                            byte_arrays=True))
593
 
        (self.mandos_serv
594
 
         .connect_to_signal("ClientAdded",
595
 
                            self.add_new_client,
596
 
                            dbus_interface=server_interface,
597
 
                            byte_arrays=True))
598
 
        (self.mandos_serv
599
 
         .connect_to_signal("ClientNotFound",
600
 
                            self.client_not_found,
601
 
                            dbus_interface=server_interface,
602
 
                            byte_arrays=True))
603
 
        for path, client in mandos_clients.items():
604
 
            client_proxy_object = self.bus.get_object(self.busname,
605
 
                                                      path)
606
 
            self.add_client(MandosClientWidget(server_proxy_object
607
 
                                               =self.mandos_serv,
608
 
                                               proxy_object
609
 
                                               =client_proxy_object,
610
 
                                               properties=client,
611
 
                                               update_hook
612
 
                                               =self.refresh,
613
 
                                               delete_hook
614
 
                                               =self.remove_client,
615
 
                                               logger
616
 
                                               =self.log_message),
617
 
                            path=path)
618
 
        
619
607
        self.refresh()
620
608
        self._input_callback_tag = (gobject.io_add_watch
621
609
                                    (sys.stdin.fileno(),
631
619
    
632
620
    def process_input(self, source, condition):
633
621
        keys = self.screen.get_input()
634
 
        translations = { "ctrl n": "down",      # Emacs
635
 
                         "ctrl p": "up",        # Emacs
636
 
                         "ctrl v": "page down", # Emacs
637
 
                         "meta v": "page up",   # Emacs
638
 
                         " ": "page down",      # less
639
 
                         "f": "page down",      # less
640
 
                         "b": "page up",        # less
641
 
                         "j": "down",           # vi
642
 
                         "k": "up",             # vi
 
622
        translations = { u"ctrl n": u"down",      # Emacs
 
623
                         u"ctrl p": u"up",        # Emacs
 
624
                         u"ctrl v": u"page down", # Emacs
 
625
                         u"meta v": u"page up",   # Emacs
 
626
                         u" ": u"page down",      # less
 
627
                         u"f": u"page down",      # less
 
628
                         u"b": u"page up",        # less
 
629
                         u"j": u"down",           # vi
 
630
                         u"k": u"up",             # vi
643
631
                         }
644
632
        for key in keys:
645
633
            try:
647
635
            except KeyError:    # :-)
648
636
                pass
649
637
            
650
 
            if key == "q" or key == "Q":
 
638
            if key == u"q" or key == u"Q":
651
639
                self.stop()
652
640
                break
653
 
            elif key == "window resize":
 
641
            elif key == u"window resize":
654
642
                self.size = self.screen.get_cols_rows()
655
643
                self.refresh()
656
 
            elif key == "\f":  # Ctrl-L
 
644
            elif key == u"\f":  # Ctrl-L
657
645
                self.refresh()
658
 
            elif key == "l" or key == "D":
 
646
            elif key == u"l" or key == u"D":
659
647
                self.toggle_log_display()
660
648
                self.refresh()
661
 
            elif key == "w" or key == "i":
 
649
            elif key == u"w" or key == u"i":
662
650
                self.change_log_display()
663
651
                self.refresh()
664
 
            elif key == "?" or key == "f1" or key == "esc":
 
652
            elif key == u"?" or key == u"f1" or key == u"esc":
665
653
                if not self.log_visible:
666
654
                    self.log_visible = True
667
655
                    self.rebuild()
668
 
                self.log_message_raw(("bold",
669
 
                                      "  ".
670
 
                                      join(("q: Quit",
671
 
                                            "?: Help",
672
 
                                            "l: Log window toggle",
673
 
                                            "TAB: Switch window",
674
 
                                            "w: Wrap (log)"))))
675
 
                self.log_message_raw(("bold",
676
 
                                      "  "
677
 
                                      .join(("Clients:",
678
 
                                             "+: Enable",
679
 
                                             "-: Disable",
680
 
                                             "R: Remove",
681
 
                                             "s: Start new checker",
682
 
                                             "S: Stop checker",
683
 
                                             "C: Checker OK",
684
 
                                             "a: Approve",
685
 
                                             "d: Deny"))))
 
656
                self.log_message_raw((u"bold",
 
657
                                      u"  ".
 
658
                                      join((u"q: Quit",
 
659
                                            u"?: Help",
 
660
                                            u"l: Log window toggle",
 
661
                                            u"TAB: Switch window",
 
662
                                            u"w: Wrap (log)"))))
 
663
                self.log_message_raw((u"bold",
 
664
                                      u"  "
 
665
                                      .join((u"Clients:",
 
666
                                             u"+: Enable",
 
667
                                             u"-: Disable",
 
668
                                             u"r: Remove",
 
669
                                             u"s: Start new checker",
 
670
                                             u"S: Stop checker",
 
671
                                             u"C: Checker OK",
 
672
                                             u"a: Approve",
 
673
                                             u"d: Deny"))))
686
674
                self.refresh()
687
 
            elif key == "tab":
 
675
            elif key == u"tab":
688
676
                if self.topwidget.get_focus() is self.logbox:
689
677
                    self.topwidget.set_focus(0)
690
678
                else:
691
679
                    self.topwidget.set_focus(self.logbox)
692
680
                self.refresh()
693
 
            #elif (key == "end" or key == "meta >" or key == "G"
694
 
            #      or key == ">"):
 
681
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
682
            #      or key == u">"):
695
683
            #    pass            # xxx end-of-buffer
696
 
            #elif (key == "home" or key == "meta <" or key == "g"
697
 
            #      or key == "<"):
 
684
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
685
            #      or key == u"<"):
698
686
            #    pass            # xxx beginning-of-buffer
699
 
            #elif key == "ctrl e" or key == "$":
 
687
            #elif key == u"ctrl e" or key == u"$":
700
688
            #    pass            # xxx move-end-of-line
701
 
            #elif key == "ctrl a" or key == "^":
 
689
            #elif key == u"ctrl a" or key == u"^":
702
690
            #    pass            # xxx move-beginning-of-line
703
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
691
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
704
692
            #    pass            # xxx left
705
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
693
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
706
694
            #    pass            # xxx right
707
 
            #elif key == "a":
 
695
            #elif key == u"a":
708
696
            #    pass            # scroll up log
709
 
            #elif key == "z":
 
697
            #elif key == u"z":
710
698
            #    pass            # scroll down log
711
699
            elif self.topwidget.selectable():
712
700
                self.topwidget.keypress(self.size, key)
718
706
    ui.run()
719
707
except KeyboardInterrupt:
720
708
    ui.screen.stop()
721
 
except Exception as e:
722
 
    ui.log_message(str(e))
 
709
except Exception, e:
 
710
    ui.log_message(unicode(e))
723
711
    ui.screen.stop()
724
712
    raise