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  • Committer: Teddy Hogeborn
  • Date: 2009-11-10 03:45:18 UTC
  • Revision ID: teddy@fukt.bsnet.se-20091110034518-2ofins935ffqbbse
* mandos-monitor (MandosClientWidget): Change "StopChecker" key to "S"
                                       and changed "CheckedOK" key to
                                       "C".
  (UserInterface.__init__): Show version number and brief help on start.
  (UserInterface.process_input): Help key now shows help in log
                                 buffer, and shows log buffer if
                                 hidden.  Commented out
                                 non-implemented keys.

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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 © 2009-2012 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
 
import os
35
7
import signal
36
8
 
37
 
import datetime
38
 
 
39
9
import urwid.curses_display
40
10
import urwid
41
11
 
42
12
from dbus.mainloop.glib import DBusGMainLoop
43
 
try:
44
 
    import gobject
45
 
except ImportError:
46
 
    from gi.repository import GObject as gobject
 
13
import gobject
47
14
 
48
15
import dbus
49
16
 
50
 
import locale
51
 
 
52
 
if sys.version_info[0] == 2:
53
 
    str = unicode
54
 
 
55
 
locale.setlocale(locale.LC_ALL, '')
56
 
 
57
 
import logging
58
 
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
 
17
import UserList
59
18
 
60
19
# Some useful constants
61
 
domain = 'se.recompile'
 
20
domain = 'se.bsnet.fukt'
62
21
server_interface = domain + '.Mandos'
63
22
client_interface = domain + '.Mandos.Client'
64
 
version = "1.6.0"
65
 
 
66
 
def isoformat_to_datetime(iso):
67
 
    "Parse an ISO 8601 date string to a datetime.datetime()"
68
 
    if not iso:
69
 
        return None
70
 
    d, t = iso.split("T", 1)
71
 
    year, month, day = d.split("-", 2)
72
 
    hour, minute, second = t.split(":", 2)
73
 
    second, fraction = divmod(float(second), 1)
74
 
    return datetime.datetime(int(year),
75
 
                             int(month),
76
 
                             int(day),
77
 
                             int(hour),
78
 
                             int(minute),
79
 
                             int(second),           # Whole seconds
80
 
                             int(fraction*1000000)) # Microseconds
 
23
version = "1.0.14"
 
24
 
 
25
# Always run in monochrome mode
 
26
urwid.curses_display.curses.has_colors = lambda : False
 
27
 
 
28
# Urwid doesn't support blinking, but we want it.  Since we have no
 
29
# use for underline on its own, we make underline also always blink.
 
30
urwid.curses_display.curses.A_UNDERLINE |= (
 
31
    urwid.curses_display.curses.A_BLINK)
81
32
 
82
33
class MandosClientPropertyCache(object):
83
34
    """This wraps a Mandos Client D-Bus proxy object, caches the
84
35
    properties and calls a hook function when any of them are
85
36
    changed.
86
37
    """
87
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
38
    def __init__(self, proxy_object=None, properties=None, *args,
 
39
                 **kwargs):
88
40
        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)
 
41
        
 
42
        if properties is None:
 
43
            self.properties = dict()
 
44
        else:
 
45
            self.properties = properties
 
46
        self.proxy.connect_to_signal("PropertyChanged",
 
47
                                     self.property_changed,
 
48
                                     client_interface,
 
49
                                     byte_arrays=True)
 
50
        
 
51
        if properties is None:
 
52
            self.properties.update(self.proxy.GetAll(client_interface,
 
53
                                                     dbus_interface =
 
54
                                                     dbus.PROPERTIES_IFACE))
 
55
        super(MandosClientPropertyCache, self).__init__(
 
56
            proxy_object=proxy_object,
 
57
            properties=properties, *args, **kwargs)
107
58
    
108
59
    def property_changed(self, property=None, value=None):
109
60
        """This is called whenever we get a PropertyChanged signal
111
62
        """
112
63
        # Update properties dict with new value
113
64
        self.properties[property] = value
114
 
    
115
 
    def delete(self):
116
 
        self.property_changed_match.remove()
117
65
 
118
66
 
119
67
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
121
69
    """
122
70
    
123
71
    def __init__(self, server_proxy_object=None, update_hook=None,
124
 
                 delete_hook=None, logger=None, **kwargs):
 
72
                 delete_hook=None, *args, **kwargs):
125
73
        # Called on update
126
74
        self.update_hook = update_hook
127
75
        # Called on delete
128
76
        self.delete_hook = delete_hook
129
77
        # Mandos Server proxy object
130
78
        self.server_proxy_object = server_proxy_object
131
 
        # Logger
132
 
        self.logger = logger
133
 
        
134
 
        self._update_timer_callback_tag = None
135
79
        
136
80
        # The widget shown normally
137
81
        self._text_widget = urwid.Text("")
138
82
        # The widget shown when we have focus
139
83
        self._focus_text_widget = urwid.Text("")
140
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
84
        super(MandosClientWidget, self).__init__(
 
85
            update_hook=update_hook, delete_hook=delete_hook,
 
86
            *args, **kwargs)
141
87
        self.update()
142
88
        self.opened = False
143
 
        
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"]))
167
 
    
168
 
    def using_timer(self, flag):
169
 
        """Call this method with True or False when timer should be
170
 
        activated or deactivated.
171
 
        """
172
 
        if flag and self._update_timer_callback_tag is None:
173
 
            # Will update the shown timer value every second
174
 
            self._update_timer_callback_tag = (gobject.timeout_add
175
 
                                               (1000,
176
 
                                                self.update_timer))
177
 
        elif not (flag or self._update_timer_callback_tag is None):
178
 
            gobject.source_remove(self._update_timer_callback_tag)
179
 
            self._update_timer_callback_tag = None
180
 
    
181
 
    def checker_completed(self, exitstatus, condition, command):
182
 
        if exitstatus == 0:
183
 
            self.update()
184
 
            return
185
 
        # Checker failed
186
 
        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)))
191
 
        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)))
196
 
        elif os.WCOREDUMP(condition):
197
 
            self.logger('Checker for client {0} (command "{1}")'
198
 
                        ' dumped core'
199
 
                        .format(self.properties["Name"], command))
200
 
        else:
201
 
            self.logger('Checker for client {0} completed'
202
 
                        ' mysteriously'
203
 
                        .format(self.properties["Name"]))
204
 
        self.update()
205
 
    
206
 
    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)))
212
 
        pass
213
 
    
214
 
    def got_secret(self):
215
 
        self.logger('Client {0} received its secret'
216
 
                    .format(self.properties["Name"]))
217
 
    
218
 
    def need_approval(self, timeout, default):
219
 
        if not default:
220
 
            message = 'Client {0} needs approval within {1} seconds'
221
 
        else:
222
 
            message = 'Client {0} will get its secret in {1} seconds'
223
 
        self.logger(message.format(self.properties["Name"],
224
 
                                   timeout/1000))
225
 
    
226
 
    def rejected(self, reason):
227
 
        self.logger('Client {0} was rejected; reason: {1}'
228
 
                    .format(self.properties["Name"], reason))
229
89
    
230
90
    def selectable(self):
231
91
        """Make this a "selectable" widget.
232
92
        This overrides the method from urwid.FlowWidget."""
233
93
        return True
234
94
    
235
 
    def rows(self, maxcolrow, focus=False):
 
95
    def rows(self, (maxcol,), focus=False):
236
96
        """How many rows this widget will occupy might depend on
237
97
        whether we have focus or not.
238
98
        This overrides the method from urwid.FlowWidget"""
239
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
99
        return self.current_widget(focus).rows((maxcol,), focus=focus)
240
100
    
241
101
    def current_widget(self, focus=False):
242
102
        if focus or self.opened:
246
106
    def update(self):
247
107
        "Called when what is visible on the screen should be updated."
248
108
        # 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",
 
109
        with_standout = { u"normal": u"standout",
 
110
                          u"bold": u"bold-standout",
 
111
                          u"underline-blink":
 
112
                              u"underline-blink-standout",
 
113
                          u"bold-underline-blink":
 
114
                              u"bold-underline-blink-standout",
255
115
                          }
256
116
        
257
117
        # Rebuild focus and non-focus widgets using current properties
258
 
        
259
 
        # Base part of a client. Name!
260
 
        base = '{name}: '.format(name=self.properties["Name"])
261
 
        if not self.properties["Enabled"]:
262
 
            message = "DISABLED"
263
 
            self.using_timer(False)
264
 
        elif self.properties["ApprovalPending"]:
265
 
            timeout = datetime.timedelta(milliseconds
266
 
                                         = self.properties
267
 
                                         ["ApprovalDelay"])
268
 
            last_approval_request = isoformat_to_datetime(
269
 
                self.properties["LastApprovalRequest"])
270
 
            if last_approval_request is not None:
271
 
                timer = max(timeout - (datetime.datetime.utcnow()
272
 
                                       - last_approval_request),
273
 
                            datetime.timedelta())
274
 
            else:
275
 
                timer = datetime.timedelta()
276
 
            if self.properties["ApprovedByDefault"]:
277
 
                message = "Approval in {0}. (d)eny?"
278
 
            else:
279
 
                message = "Denial in {0}. (a)pprove?"
280
 
            message = message.format(str(timer).rsplit(".", 1)[0])
281
 
            self.using_timer(True)
282
 
        elif self.properties["LastCheckerStatus"] != 0:
283
 
            # When checker has failed, show timer until client expires
284
 
            expires = self.properties["Expires"]
285
 
            if expires == "":
286
 
                timer = datetime.timedelta(0)
287
 
            else:
288
 
                expires = (datetime.datetime.strptime
289
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
290
 
                timer = max(expires - datetime.datetime.utcnow(),
291
 
                            datetime.timedelta())
292
 
            message = ('A checker has failed! Time until client'
293
 
                       ' gets disabled: {0}'
294
 
                       .format(str(timer).rsplit(".", 1)[0]))
295
 
            self.using_timer(True)
296
 
        else:
297
 
            message = "enabled"
298
 
            self.using_timer(False)
299
 
        self._text = "{0}{1}".format(base, message)
300
 
        
 
118
        self._text = (u'name="%(name)s", enabled=%(enabled)s'
 
119
                      % self.properties)
301
120
        if not urwid.supports_unicode():
302
121
            self._text = self._text.encode("ascii", "replace")
303
 
        textlist = [("normal", self._text)]
 
122
        textlist = [(u"normal", u"BLARGH: "), (u"bold", self._text)]
304
123
        self._text_widget.set_text(textlist)
305
124
        self._focus_text_widget.set_text([(with_standout[text[0]],
306
125
                                           text[1])
314
133
        if self.update_hook is not None:
315
134
            self.update_hook()
316
135
    
317
 
    def update_timer(self):
318
 
        """called by gobject. Will indefinitely loop until
319
 
        gobject.source_remove() on tag is called"""
320
 
        self.update()
321
 
        return True             # Keep calling this
322
 
    
323
 
    def delete(self, **kwargs):
324
 
        if self._update_timer_callback_tag is not None:
325
 
            gobject.source_remove(self._update_timer_callback_tag)
326
 
            self._update_timer_callback_tag = None
327
 
        for match in self.match_objects:
328
 
            match.remove()
329
 
        self.match_objects = ()
 
136
    def delete(self):
330
137
        if self.delete_hook is not None:
331
138
            self.delete_hook(self)
332
 
        return super(MandosClientWidget, self).delete(**kwargs)
333
139
    
334
 
    def render(self, maxcolrow, focus=False):
 
140
    def render(self, (maxcol,), focus=False):
335
141
        """Render differently if we have focus.
336
142
        This overrides the method from urwid.FlowWidget"""
337
 
        return self.current_widget(focus).render(maxcolrow,
 
143
        return self.current_widget(focus).render((maxcol,),
338
144
                                                 focus=focus)
339
145
    
340
 
    def keypress(self, maxcolrow, key):
 
146
    def keypress(self, (maxcol,), key):
341
147
        """Handle keys.
342
148
        This overrides the method from urwid.FlowWidget"""
343
 
        if key == "+":
344
 
            self.proxy.Enable(dbus_interface = client_interface,
345
 
                              ignore_reply=True)
346
 
        elif key == "-":
347
 
            self.proxy.Disable(dbus_interface = client_interface,
348
 
                               ignore_reply=True)
349
 
        elif key == "a":
350
 
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
351
 
                               dbus_interface = client_interface,
352
 
                               ignore_reply=True)
353
 
        elif key == "d":
354
 
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
355
 
                                  dbus_interface = client_interface,
356
 
                               ignore_reply=True)
357
 
        elif key == "R" or key == "_" or key == "ctrl k":
 
149
        if key == u"e" or key == u"+":
 
150
            self.proxy.Enable()
 
151
        elif key == u"d" or key == u"-":
 
152
            self.proxy.Disable()
 
153
        elif key == u"r" or key == u"_":
358
154
            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)
 
155
                                                  .object_path)
 
156
        elif key == u"s":
 
157
            self.proxy.StartChecker()
 
158
        elif key == u"S":
 
159
            self.proxy.StopChecker()
 
160
        elif key == u"C":
 
161
            self.proxy.CheckedOK()
370
162
        # xxx
371
 
#         elif key == "p" or key == "=":
 
163
#         elif key == u"p" or key == "=":
372
164
#             self.proxy.pause()
373
 
#         elif key == "u" or key == ":":
 
165
#         elif key == u"u" or key == ":":
374
166
#             self.proxy.unpause()
375
 
#         elif key == "RET":
 
167
#         elif key == u"RET":
376
168
#             self.open()
377
169
        else:
378
170
            return key
379
171
    
380
 
    def property_changed(self, property=None, **kwargs):
 
172
    def property_changed(self, property=None, value=None,
 
173
                         *args, **kwargs):
381
174
        """Call self.update() if old value is not new value.
382
175
        This overrides the method from MandosClientPropertyCache"""
383
 
        property_name = str(property)
 
176
        property_name = unicode(property)
384
177
        old_value = self.properties.get(property_name)
385
178
        super(MandosClientWidget, self).property_changed(
386
 
            property=property, **kwargs)
 
179
            property=property, value=value, *args, **kwargs)
387
180
        if self.properties.get(property_name) != old_value:
388
181
            self.update()
389
182
 
393
186
    "down" key presses, thus not allowing any containing widgets to
394
187
    use them as an excuse to shift focus away from this widget.
395
188
    """
396
 
    def keypress(self, *args, **kwargs):
397
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
398
 
        if ret in ("up", "down"):
 
189
    def keypress(self, (maxcol, maxrow), key):
 
190
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
 
191
        if ret in (u"up", u"down"):
399
192
            return
400
193
        return ret
401
194
 
410
203
        self.screen = urwid.curses_display.Screen()
411
204
        
412
205
        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"),
 
206
                (u"normal",
 
207
                 u"default", u"default", None),
 
208
                (u"bold",
 
209
                 u"default", u"default", u"bold"),
 
210
                (u"underline-blink",
 
211
                 u"default", u"default", u"underline"),
 
212
                (u"standout",
 
213
                 u"default", u"default", u"standout"),
 
214
                (u"bold-underline-blink",
 
215
                 u"default", u"default", (u"bold", u"underline")),
 
216
                (u"bold-standout",
 
217
                 u"default", u"default", (u"bold", u"standout")),
 
218
                (u"underline-blink-standout",
 
219
                 u"default", u"default", (u"underline", u"standout")),
 
220
                (u"bold-underline-blink-standout",
 
221
                 u"default", u"default", (u"bold", u"underline",
 
222
                                          u"standout")),
431
223
                ))
432
224
        
433
225
        if urwid.supports_unicode():
434
 
            self.divider = "─" # \u2500
435
 
            #self.divider = "━" # \u2501
 
226
            #self.divider = u"─" # \u2500
 
227
            self.divider = u"━" # \u2501
436
228
        else:
437
 
            #self.divider = "-" # \u002d
438
 
            self.divider = "_" # \u005f
 
229
            #self.divider = u"-" # \u002d
 
230
            self.divider = u"_" # \u005f
439
231
        
440
232
        self.screen.start()
441
233
        
455
247
        # This keeps track of whether self.uilist currently has
456
248
        # self.logbox in it or not
457
249
        self.log_visible = True
458
 
        self.log_wrap = "any"
 
250
        self.log_wrap = u"any"
459
251
        
460
252
        self.rebuild()
461
 
        self.log_message_raw(("bold",
462
 
                              "Mandos Monitor version " + version))
463
 
        self.log_message_raw(("bold",
464
 
                              "q: Quit  ?: Help"))
 
253
        self.log_message((u"bold",
 
254
                          u"Mandos Monitor version " + version))
 
255
        self.log_message((u"bold",
 
256
                          u"q: Quit  ?: Help"))
465
257
        
466
258
        self.busname = domain + '.Mandos'
467
259
        self.main_loop = gobject.MainLoop()
468
 
    
469
 
    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))
 
260
        self.bus = dbus.SystemBus()
 
261
        mandos_dbus_objc = self.bus.get_object(
 
262
            self.busname, u"/", follow_name_owner_changes=True)
 
263
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
264
                                          dbus_interface
 
265
                                          = server_interface)
 
266
        try:
 
267
            mandos_clients = (self.mandos_serv
 
268
                              .GetAllClientsWithProperties())
 
269
        except dbus.exceptions.DBusException:
 
270
            mandos_clients = dbus.Dictionary()
 
271
        
 
272
        (self.mandos_serv
 
273
         .connect_to_signal("ClientRemoved",
 
274
                            self.find_and_remove_client,
 
275
                            dbus_interface=server_interface,
 
276
                            byte_arrays=True))
 
277
        (self.mandos_serv
 
278
         .connect_to_signal("ClientAdded",
 
279
                            self.add_new_client,
 
280
                            dbus_interface=server_interface,
 
281
                            byte_arrays=True))
 
282
        for path, client in mandos_clients.iteritems():
 
283
            client_proxy_object = self.bus.get_object(self.busname,
 
284
                                                      path)
 
285
            self.add_client(MandosClientWidget(server_proxy_object
 
286
                                               =self.mandos_serv,
 
287
                                               proxy_object
 
288
                                               =client_proxy_object,
 
289
                                               properties=client,
 
290
                                               update_hook
 
291
                                               =self.refresh,
 
292
                                               delete_hook
 
293
                                               =self.remove_client),
 
294
                            path=path)
473
295
    
474
296
    def rebuild(self):
475
297
        """This rebuilds the User Interface.
476
298
        Call this when the widget layout needs to change"""
477
299
        self.uilist = []
478
300
        #self.uilist.append(urwid.ListBox(self.clients))
479
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
480
 
                                                          clients),
 
301
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
481
302
                                       #header=urwid.Divider(),
482
303
                                       header=None,
483
 
                                       footer=
484
 
                                       urwid.Divider(div_char=
485
 
                                                     self.divider)))
 
304
                                       footer=urwid.Divider(div_char=self.divider)))
486
305
        if self.log_visible:
487
306
            self.uilist.append(self.logbox)
 
307
            pass
488
308
        self.topwidget = urwid.Pile(self.uilist)
489
309
    
490
 
    def log_message(self, message):
491
 
        """Log message formatted with timestamp"""
492
 
        timestamp = datetime.datetime.now().isoformat()
493
 
        self.log_message_raw(timestamp + ": " + message)
494
 
    
495
 
    def log_message_raw(self, markup):
 
310
    def log_message(self, markup):
496
311
        """Add a log message to the log buffer."""
497
312
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
498
313
        if (self.max_log_length
499
314
            and len(self.log) > self.max_log_length):
500
315
            del self.log[0:len(self.log)-self.max_log_length-1]
501
 
        self.logbox.set_focus(len(self.logbox.body.contents),
502
 
                              coming_from="above")
503
 
        self.refresh()
504
316
    
505
317
    def toggle_log_display(self):
506
318
        """Toggle visibility of the log buffer."""
507
319
        self.log_visible = not self.log_visible
508
320
        self.rebuild()
509
 
        #self.log_message("Log visibility changed to: "
510
 
        #                 + str(self.log_visible))
 
321
        self.log_message(u"Log visibility changed to: "
 
322
                         + unicode(self.log_visible))
511
323
    
512
324
    def change_log_display(self):
513
325
        """Change type of log display.
514
326
        Currently, this toggles wrapping of text lines."""
515
 
        if self.log_wrap == "clip":
516
 
            self.log_wrap = "any"
 
327
        if self.log_wrap == u"clip":
 
328
            self.log_wrap = u"any"
517
329
        else:
518
 
            self.log_wrap = "clip"
 
330
            self.log_wrap = u"clip"
519
331
        for textwidget in self.log:
520
332
            textwidget.set_wrap_mode(self.log_wrap)
521
 
        #self.log_message("Wrap mode: " + self.log_wrap)
 
333
        self.log_message(u"Wrap mode: " + self.log_wrap)
522
334
    
523
335
    def find_and_remove_client(self, path, name):
524
 
        """Find a client by its object path and remove it.
 
336
        """Find an client from its object path and remove it.
525
337
        
526
338
        This is connected to the ClientRemoved signal from the
527
339
        Mandos server object."""
529
341
            client = self.clients_dict[path]
530
342
        except KeyError:
531
343
            # not found?
532
 
            self.log_message("Unknown client {0!r} ({1!r}) removed"
533
 
                             .format(name, path))
534
344
            return
535
 
        client.delete()
 
345
        self.remove_client(client, path)
536
346
    
537
 
    def add_new_client(self, path):
 
347
    def add_new_client(self, path, properties):
538
348
        client_proxy_object = self.bus.get_object(self.busname, path)
539
349
        self.add_client(MandosClientWidget(server_proxy_object
540
350
                                           =self.mandos_serv,
541
351
                                           proxy_object
542
352
                                           =client_proxy_object,
 
353
                                           properties=properties,
543
354
                                           update_hook
544
355
                                           =self.refresh,
545
356
                                           delete_hook
546
 
                                           =self.remove_client,
547
 
                                           logger
548
 
                                           =self.log_message),
 
357
                                           =self.remove_client),
549
358
                        path=path)
550
359
    
551
360
    def add_client(self, client, path=None):
553
362
        if path is None:
554
363
            path = client.proxy.object_path
555
364
        self.clients_dict[path] = client
556
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
365
        self.clients.sort(None, lambda c: c.properties[u"name"])
557
366
        self.refresh()
558
367
    
559
368
    def remove_client(self, client, path=None):
561
370
        if path is None:
562
371
            path = client.proxy.object_path
563
372
        del self.clients_dict[path]
 
373
        if not self.clients_dict:
 
374
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
375
            # is completely emptied, we need to recreate it.
 
376
            self.clients = urwid.SimpleListWalker([])
 
377
            self.rebuild()
564
378
        self.refresh()
565
379
    
566
380
    def refresh(self):
570
384
    
571
385
    def run(self):
572
386
        """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
387
        self.refresh()
620
388
        self._input_callback_tag = (gobject.io_add_watch
621
389
                                    (sys.stdin.fileno(),
631
399
    
632
400
    def process_input(self, source, condition):
633
401
        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
 
402
        translations = { u"ctrl n": u"down",      # Emacs
 
403
                         u"ctrl p": u"up",        # Emacs
 
404
                         u"ctrl v": u"page down", # Emacs
 
405
                         u"meta v": u"page up",   # Emacs
 
406
                         u" ": u"page down",      # less
 
407
                         u"f": u"page down",      # less
 
408
                         u"b": u"page up",        # less
 
409
                         u"j": u"down",           # vi
 
410
                         u"k": u"up",             # vi
643
411
                         }
644
412
        for key in keys:
645
413
            try:
647
415
            except KeyError:    # :-)
648
416
                pass
649
417
            
650
 
            if key == "q" or key == "Q":
 
418
            if key == u"q" or key == u"Q":
651
419
                self.stop()
652
420
                break
653
 
            elif key == "window resize":
 
421
            elif key == u"window resize":
654
422
                self.size = self.screen.get_cols_rows()
655
423
                self.refresh()
656
 
            elif key == "\f":  # Ctrl-L
 
424
            elif key == u"\f":  # Ctrl-L
657
425
                self.refresh()
658
 
            elif key == "l" or key == "D":
 
426
            elif key == u"l" or key == u"D":
659
427
                self.toggle_log_display()
660
428
                self.refresh()
661
 
            elif key == "w" or key == "i":
 
429
            elif key == u"w" or key == u"i":
662
430
                self.change_log_display()
663
431
                self.refresh()
664
 
            elif key == "?" or key == "f1" or key == "esc":
 
432
            elif key == u"?" or key == u"f1":
665
433
                if not self.log_visible:
666
434
                    self.log_visible = True
667
435
                    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"))))
 
436
                self.log_message((u"bold",
 
437
                                  u"  ".join((u"q: Quit",
 
438
                                              u"?: Help",
 
439
                                              u"l: Log window toggle",
 
440
                                              u"TAB: Switch window",
 
441
                                              u"w: Wrap (log)"))))
 
442
                self.log_message((u"bold",
 
443
                                  u"  ".join((u"Clients:",
 
444
                                              u"e: Enable",
 
445
                                              u"d: Disable",
 
446
                                              u"r: Remove",
 
447
                                              u"s: Start new checker",
 
448
                                              u"S: Stop checker",
 
449
                                              u"C: Checker OK"))))
686
450
                self.refresh()
687
 
            elif key == "tab":
 
451
            elif key == u"tab":
688
452
                if self.topwidget.get_focus() is self.logbox:
689
453
                    self.topwidget.set_focus(0)
690
454
                else:
691
455
                    self.topwidget.set_focus(self.logbox)
692
456
                self.refresh()
693
 
            #elif (key == "end" or key == "meta >" or key == "G"
694
 
            #      or key == ">"):
 
457
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
458
            #      or key == u">"):
695
459
            #    pass            # xxx end-of-buffer
696
 
            #elif (key == "home" or key == "meta <" or key == "g"
697
 
            #      or key == "<"):
 
460
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
461
            #      or key == u"<"):
698
462
            #    pass            # xxx beginning-of-buffer
699
 
            #elif key == "ctrl e" or key == "$":
 
463
            #elif key == u"ctrl e" or key == u"$":
700
464
            #    pass            # xxx move-end-of-line
701
 
            #elif key == "ctrl a" or key == "^":
 
465
            #elif key == u"ctrl a" or key == u"^":
702
466
            #    pass            # xxx move-beginning-of-line
703
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
467
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
704
468
            #    pass            # xxx left
705
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
469
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
706
470
            #    pass            # xxx right
707
 
            #elif key == "a":
 
471
            #elif key == u"a":
708
472
            #    pass            # scroll up log
709
 
            #elif key == "z":
 
473
            #elif key == u"z":
710
474
            #    pass            # scroll down log
711
475
            elif self.topwidget.selectable():
712
476
                self.topwidget.keypress(self.size, key)
716
480
ui = UserInterface()
717
481
try:
718
482
    ui.run()
719
 
except KeyboardInterrupt:
720
 
    ui.screen.stop()
721
 
except Exception as e:
722
 
    ui.log_message(str(e))
 
483
except:
723
484
    ui.screen.stop()
724
485
    raise