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  • Committer: Teddy Hogeborn
  • Date: 2009-11-09 05:10:35 UTC
  • Revision ID: teddy@fukt.bsnet.se-20091109051035-zcmvuhioo9gjs0cb
* mandos-monitor (MandosClientPropertyCache): Remove conversion of
                                              D-Bus types to native
                                              Python types.
  (MandosClientPropertyCache.type_map): Removed attribute.
  (MandosClientPropertyCache.conversion): Removed method.
  (ConstrainedListBox): New; a ListBox which will keep the focus.
  (UserInterface.__init__): Take new argument "max_log_length".
  (UserInterface.divider, UserInterface.log,
  UserInterface.max_log_length, UserInterface.logbox,
  UserInterface.log_visible, UserInterface.log_wrap): New attributes.
  (UserInterface.rebuild, UserInterface.log_message,
  UserInterface.toggle_log_display, UserInterface.change_log_display):
  New methods.
  (UserInterface.remove_client): Bug fix: Eliminate double client
                                 listing when an empty list gets a
                                 ClientAdded signal.
  (UserInterface.process_input): Add more key translations.

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1
#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
3
 
4
 
# Mandos Monitor - Control and monitor the Mandos server
5
 
6
 
# Copyright © 2009-2014 Teddy Hogeborn
7
 
# Copyright © 2009-2014 Björn Påhlsson
8
 
9
 
# This program is free software: you can redistribute it and/or modify
10
 
# it under the terms of the GNU General Public License as published by
11
 
# the Free Software Foundation, either version 3 of the License, or
12
 
# (at your option) any later version.
13
 
#
14
 
#     This program is distributed in the hope that it will be useful,
15
 
#     but WITHOUT ANY WARRANTY; without even the implied warranty of
16
 
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17
 
#     GNU General Public License for more details.
18
 
19
 
# You should have received a copy of the GNU General Public License
20
 
# along with this program.  If not, see
21
 
# <http://www.gnu.org/licenses/>.
22
 
23
 
# Contact the authors at <mandos@recompile.se>.
24
 
25
3
 
26
 
from __future__ import (division, absolute_import, print_function,
27
 
                        unicode_literals)
28
 
try:
29
 
    from future_builtins import *
30
 
except ImportError:
31
 
    pass
 
4
from __future__ import division, absolute_import, with_statement
32
5
 
33
6
import sys
34
 
import os
35
 
 
36
 
import datetime
 
7
import signal
37
8
 
38
9
import urwid.curses_display
39
10
import urwid
40
11
 
41
12
from dbus.mainloop.glib import DBusGMainLoop
42
 
try:
43
 
    import gobject
44
 
except ImportError:
45
 
    from gi.repository import GObject as gobject
 
13
import gobject
46
14
 
47
15
import dbus
48
16
 
49
 
import locale
50
 
 
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)
 
17
import UserList
58
18
 
59
19
# Some useful constants
60
 
domain = 'se.recompile'
 
20
domain = 'se.bsnet.fukt'
61
21
server_interface = domain + '.Mandos'
62
22
client_interface = domain + '.Mandos.Client'
63
 
version = "1.6.9"
64
 
 
65
 
def isoformat_to_datetime(iso):
66
 
    "Parse an ISO 8601 date string to a datetime.datetime()"
67
 
    if not iso:
68
 
        return None
69
 
    d, t = iso.split("T", 1)
70
 
    year, month, day = d.split("-", 2)
71
 
    hour, minute, second = t.split(":", 2)
72
 
    second, fraction = divmod(float(second), 1)
73
 
    return datetime.datetime(int(year),
74
 
                             int(month),
75
 
                             int(day),
76
 
                             int(hour),
77
 
                             int(minute),
78
 
                             int(second),           # Whole seconds
79
 
                             int(fraction*1000000)) # Microseconds
 
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)
80
32
 
81
33
class MandosClientPropertyCache(object):
82
34
    """This wraps a Mandos Client D-Bus proxy object, caches the
83
35
    properties and calls a hook function when any of them are
84
36
    changed.
85
37
    """
86
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
38
    def __init__(self, proxy_object=None, properties=None, *args,
 
39
                 **kwargs):
87
40
        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)
 
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)
102
58
    
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.
 
59
    def property_changed(self, property=None, value=None):
 
60
        """This is called whenever we get a PropertyChanged signal
 
61
        It updates the changed property in the "properties" dict.
106
62
        """
107
63
        # Update properties dict with new value
108
 
        self.properties.update(properties)
109
 
    
110
 
    def delete(self):
111
 
        self.property_changed_match.remove()
 
64
        self.properties[property] = value
112
65
 
113
66
 
114
67
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
116
69
    """
117
70
    
118
71
    def __init__(self, server_proxy_object=None, update_hook=None,
119
 
                 delete_hook=None, logger=None, **kwargs):
 
72
                 delete_hook=None, *args, **kwargs):
120
73
        # Called on update
121
74
        self.update_hook = update_hook
122
75
        # Called on delete
123
76
        self.delete_hook = delete_hook
124
77
        # Mandos Server proxy object
125
78
        self.server_proxy_object = server_proxy_object
126
 
        # Logger
127
 
        self.logger = logger
128
 
        
129
 
        self._update_timer_callback_tag = None
130
79
        
131
80
        # The widget shown normally
132
81
        self._text_widget = urwid.Text("")
133
82
        # The widget shown when we have focus
134
83
        self._focus_text_widget = urwid.Text("")
135
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
84
        super(MandosClientWidget, self).__init__(
 
85
            update_hook=update_hook, delete_hook=delete_hook,
 
86
            *args, **kwargs)
136
87
        self.update()
137
88
        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
169
 
            self._update_timer_callback_tag = (gobject.timeout_add
170
 
                                               (1000,
171
 
                                                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
 
    
176
 
    def checker_completed(self, exitstatus, condition, command):
177
 
        if exitstatus == 0:
178
 
            self.logger('Checker for client {} (command "{}")'
179
 
                        ' succeeded'.format(self.properties["Name"],
180
 
                                            command), level=0)
181
 
            self.update()
182
 
            return
183
 
        # Checker failed
184
 
        if os.WIFEXITED(condition):
185
 
            self.logger('Checker for client {} (command "{}") failed'
186
 
                        ' with exit code {}'
187
 
                        .format(self.properties["Name"], command,
188
 
                                os.WEXITSTATUS(condition)))
189
 
        elif os.WIFSIGNALED(condition):
190
 
            self.logger('Checker for client {} (command "{}") was'
191
 
                        ' killed by signal {}'
192
 
                        .format(self.properties["Name"], command,
193
 
                                os.WTERMSIG(condition)))
194
 
        elif os.WCOREDUMP(condition):
195
 
            self.logger('Checker for client {} (command "{}") dumped'
196
 
                        ' core'.format(self.properties["Name"],
197
 
                                       command))
198
 
        else:
199
 
            self.logger('Checker for client {} completed'
200
 
                        ' mysteriously'
201
 
                        .format(self.properties["Name"]))
202
 
        self.update()
203
 
    
204
 
    def checker_started(self, command):
205
 
        """Server signals that a checker started."""
206
 
        self.logger('Client {} started checker "{}"'
207
 
                    .format(self.properties["Name"],
208
 
                            command), level=0)
209
 
    
210
 
    def got_secret(self):
211
 
        self.logger('Client {} received its secret'
212
 
                    .format(self.properties["Name"]))
213
 
    
214
 
    def need_approval(self, timeout, default):
215
 
        if not default:
216
 
            message = 'Client {} needs approval within {} seconds'
217
 
        else:
218
 
            message = 'Client {} will get its secret in {} seconds'
219
 
        self.logger(message.format(self.properties["Name"],
220
 
                                   timeout/1000))
221
 
    
222
 
    def rejected(self, reason):
223
 
        self.logger('Client {} was rejected; reason: {}'
224
 
                    .format(self.properties["Name"], reason))
225
89
    
226
90
    def selectable(self):
227
91
        """Make this a "selectable" widget.
228
92
        This overrides the method from urwid.FlowWidget."""
229
93
        return True
230
94
    
231
 
    def rows(self, maxcolrow, focus=False):
 
95
    def rows(self, (maxcol,), focus=False):
232
96
        """How many rows this widget will occupy might depend on
233
97
        whether we have focus or not.
234
98
        This overrides the method from urwid.FlowWidget"""
235
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
99
        return self.current_widget(focus).rows((maxcol,), focus=focus)
236
100
    
237
101
    def current_widget(self, focus=False):
238
102
        if focus or self.opened:
242
106
    def update(self):
243
107
        "Called when what is visible on the screen should be updated."
244
108
        # How to add standout mode to a style
245
 
        with_standout = { "normal": "standout",
246
 
                          "bold": "bold-standout",
247
 
                          "underline-blink":
248
 
                              "underline-blink-standout",
249
 
                          "bold-underline-blink":
250
 
                              "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",
251
115
                          }
252
116
        
253
117
        # Rebuild focus and non-focus widgets using current properties
254
 
        
255
 
        # Base part of a client. Name!
256
 
        base = '{name}: '.format(name=self.properties["Name"])
257
 
        if not self.properties["Enabled"]:
258
 
            message = "DISABLED"
259
 
            self.using_timer(False)
260
 
        elif self.properties["ApprovalPending"]:
261
 
            timeout = datetime.timedelta(milliseconds
262
 
                                         = self.properties
263
 
                                         ["ApprovalDelay"])
264
 
            last_approval_request = isoformat_to_datetime(
265
 
                self.properties["LastApprovalRequest"])
266
 
            if last_approval_request is not None:
267
 
                timer = max(timeout - (datetime.datetime.utcnow()
268
 
                                       - last_approval_request),
269
 
                            datetime.timedelta())
270
 
            else:
271
 
                timer = datetime.timedelta()
272
 
            if self.properties["ApprovedByDefault"]:
273
 
                message = "Approval in {}. (d)eny?"
274
 
            else:
275
 
                message = "Denial in {}. (a)pprove?"
276
 
            message = message.format(str(timer).rsplit(".", 1)[0])
277
 
            self.using_timer(True)
278
 
        elif self.properties["LastCheckerStatus"] != 0:
279
 
            # When checker has failed, show timer until client expires
280
 
            expires = self.properties["Expires"]
281
 
            if expires == "":
282
 
                timer = datetime.timedelta(0)
283
 
            else:
284
 
                expires = (datetime.datetime.strptime
285
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
286
 
                timer = max(expires - datetime.datetime.utcnow(),
287
 
                            datetime.timedelta())
288
 
            message = ('A checker has failed! Time until client'
289
 
                       ' gets disabled: {}'
290
 
                       .format(str(timer).rsplit(".", 1)[0]))
291
 
            self.using_timer(True)
292
 
        else:
293
 
            message = "enabled"
294
 
            self.using_timer(False)
295
 
        self._text = "{}{}".format(base, message)
296
 
        
 
118
        self._text = (u'name="%(name)s", enabled=%(enabled)s'
 
119
                      % self.properties)
297
120
        if not urwid.supports_unicode():
298
121
            self._text = self._text.encode("ascii", "replace")
299
 
        textlist = [("normal", self._text)]
 
122
        textlist = [(u"normal", u"BLARGH: "), (u"bold", self._text)]
300
123
        self._text_widget.set_text(textlist)
301
124
        self._focus_text_widget.set_text([(with_standout[text[0]],
302
125
                                           text[1])
310
133
        if self.update_hook is not None:
311
134
            self.update_hook()
312
135
    
313
 
    def update_timer(self):
314
 
        """called by gobject. Will indefinitely loop until
315
 
        gobject.source_remove() on tag is called"""
316
 
        self.update()
317
 
        return True             # Keep calling this
318
 
    
319
 
    def delete(self, **kwargs):
320
 
        if self._update_timer_callback_tag is not None:
321
 
            gobject.source_remove(self._update_timer_callback_tag)
322
 
            self._update_timer_callback_tag = None
323
 
        for match in self.match_objects:
324
 
            match.remove()
325
 
        self.match_objects = ()
 
136
    def delete(self):
326
137
        if self.delete_hook is not None:
327
138
            self.delete_hook(self)
328
 
        return super(MandosClientWidget, self).delete(**kwargs)
329
139
    
330
 
    def render(self, maxcolrow, focus=False):
 
140
    def render(self, (maxcol,), focus=False):
331
141
        """Render differently if we have focus.
332
142
        This overrides the method from urwid.FlowWidget"""
333
 
        return self.current_widget(focus).render(maxcolrow,
 
143
        return self.current_widget(focus).render((maxcol,),
334
144
                                                 focus=focus)
335
145
    
336
 
    def keypress(self, maxcolrow, key):
 
146
    def keypress(self, (maxcol,), key):
337
147
        """Handle keys.
338
148
        This overrides the method from urwid.FlowWidget"""
339
 
        if key == "+":
340
 
            self.proxy.Enable(dbus_interface = client_interface,
341
 
                              ignore_reply=True)
342
 
        elif key == "-":
343
 
            self.proxy.Disable(dbus_interface = client_interface,
344
 
                               ignore_reply=True)
345
 
        elif key == "a":
346
 
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
347
 
                               dbus_interface = client_interface,
348
 
                               ignore_reply=True)
349
 
        elif key == "d":
350
 
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
351
 
                                  dbus_interface = client_interface,
352
 
                               ignore_reply=True)
353
 
        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"_":
354
154
            self.server_proxy_object.RemoveClient(self.proxy
355
 
                                                  .object_path,
356
 
                                                  ignore_reply=True)
357
 
        elif key == "s":
358
 
            self.proxy.StartChecker(dbus_interface = client_interface,
359
 
                                    ignore_reply=True)
360
 
        elif key == "S":
361
 
            self.proxy.StopChecker(dbus_interface = client_interface,
362
 
                                   ignore_reply=True)
363
 
        elif key == "C":
364
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
365
 
                                 ignore_reply=True)
 
155
                                                  .object_path)
 
156
        elif key == u"s":
 
157
            self.proxy.StartChecker()
 
158
        elif key == u"c":
 
159
            self.proxy.StopChecker()
 
160
        elif key == u"S":
 
161
            self.proxy.CheckedOK()
366
162
        # xxx
367
 
#         elif key == "p" or key == "=":
 
163
#         elif key == u"p" or key == "=":
368
164
#             self.proxy.pause()
369
 
#         elif key == "u" or key == ":":
 
165
#         elif key == u"u" or key == ":":
370
166
#             self.proxy.unpause()
371
 
#         elif key == "RET":
 
167
#         elif key == u"RET":
372
168
#             self.open()
373
169
        else:
374
170
            return key
375
171
    
376
 
    def properties_changed(self, interface, properties, invalidated):
377
 
        """Call self.update() if any properties changed.
 
172
    def property_changed(self, property=None, value=None,
 
173
                         *args, **kwargs):
 
174
        """Call self.update() if old value is not new value.
378
175
        This overrides the method from MandosClientPropertyCache"""
379
 
        old_values = { key: self.properties.get(key)
380
 
                       for key in properties.keys() }
381
 
        super(MandosClientWidget, self).properties_changed(
382
 
            interface, properties, invalidated)
383
 
        if any(old_values[key] != self.properties.get(key)
384
 
               for key in old_values):
 
176
        property_name = unicode(property)
 
177
        old_value = self.properties.get(property_name)
 
178
        super(MandosClientWidget, self).property_changed(
 
179
            property=property, value=value, *args, **kwargs)
 
180
        if self.properties.get(property_name) != old_value:
385
181
            self.update()
386
182
 
387
183
 
390
186
    "down" key presses, thus not allowing any containing widgets to
391
187
    use them as an excuse to shift focus away from this widget.
392
188
    """
393
 
    def keypress(self, *args, **kwargs):
394
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
395
 
        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"):
396
192
            return
397
193
        return ret
398
194
 
401
197
    """This is the entire user interface - the whole screen
402
198
    with boxes, lists of client widgets, etc.
403
199
    """
404
 
    def __init__(self, max_log_length=1000, log_level=1):
 
200
    def __init__(self, max_log_length=1000):
405
201
        DBusGMainLoop(set_as_default=True)
406
202
        
407
203
        self.screen = urwid.curses_display.Screen()
408
204
        
409
205
        self.screen.register_palette((
410
 
                ("normal",
411
 
                 "default", "default", None),
412
 
                ("bold",
413
 
                 "bold", "default", "bold"),
414
 
                ("underline-blink",
415
 
                 "underline,blink", "default", "underline,blink"),
416
 
                ("standout",
417
 
                 "standout", "default", "standout"),
418
 
                ("bold-underline-blink",
419
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
420
 
                ("bold-standout",
421
 
                 "bold,standout", "default", "bold,standout"),
422
 
                ("underline-blink-standout",
423
 
                 "underline,blink,standout", "default",
424
 
                 "underline,blink,standout"),
425
 
                ("bold-underline-blink-standout",
426
 
                 "bold,underline,blink,standout", "default",
427
 
                 "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")),
428
223
                ))
429
224
        
430
225
        if urwid.supports_unicode():
431
 
            self.divider = "─" # \u2500
432
 
            #self.divider = "━" # \u2501
 
226
            #self.divider = u"─" # \u2500
 
227
            self.divider = u"━" # \u2501
433
228
        else:
434
 
            #self.divider = "-" # \u002d
435
 
            self.divider = "_" # \u005f
 
229
            #self.divider = u"-" # \u002d
 
230
            self.divider = u"_" # \u005f
436
231
        
437
232
        self.screen.start()
438
233
        
445
240
        self.log = []
446
241
        self.max_log_length = max_log_length
447
242
        
448
 
        self.log_level = log_level
449
 
        
450
243
        # We keep a reference to the log widget so we can remove it
451
244
        # from the ListWalker without it getting destroyed
452
245
        self.logbox = ConstrainedListBox(self.log)
454
247
        # This keeps track of whether self.uilist currently has
455
248
        # self.logbox in it or not
456
249
        self.log_visible = True
457
 
        self.log_wrap = "any"
 
250
        self.log_wrap = u"any"
458
251
        
459
252
        self.rebuild()
460
 
        self.log_message_raw(("bold",
461
 
                              "Mandos Monitor version " + version))
462
 
        self.log_message_raw(("bold",
463
 
                              "q: Quit  ?: Help"))
 
253
        self.log_message(u"Message")
 
254
        self.log_message(u"Message0 Message1 Message2 Message3 Message4 Message5 Message6 Message7 Message8 Message9")
 
255
        self.log_message(u"Message10 Message11 Message12 Message13 Message14 Message15 Message16 Message17 Message18 Message19")
 
256
        self.log_message(u"Message20 Message21 Message22 Message23 Message24 Message25 Message26 Message27 Message28 Message29")
464
257
        
465
258
        self.busname = domain + '.Mandos'
466
259
        self.main_loop = gobject.MainLoop()
467
 
    
468
 
    def client_not_found(self, fingerprint, address):
469
 
        self.log_message("Client with address {} and fingerprint {}"
470
 
                         " could not be found"
471
 
                         .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)
472
295
    
473
296
    def rebuild(self):
474
297
        """This rebuilds the User Interface.
475
298
        Call this when the widget layout needs to change"""
476
299
        self.uilist = []
477
300
        #self.uilist.append(urwid.ListBox(self.clients))
478
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
479
 
                                                          clients),
 
301
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
480
302
                                       #header=urwid.Divider(),
481
303
                                       header=None,
482
 
                                       footer=
483
 
                                       urwid.Divider(div_char=
484
 
                                                     self.divider)))
 
304
                                       footer=urwid.Divider(div_char=self.divider)))
485
305
        if self.log_visible:
486
306
            self.uilist.append(self.logbox)
 
307
            pass
487
308
        self.topwidget = urwid.Pile(self.uilist)
488
309
    
489
 
    def log_message(self, message, level=1):
490
 
        """Log message formatted with timestamp"""
491
 
        if level < self.log_level:
492
 
            return
493
 
        timestamp = datetime.datetime.now().isoformat()
494
 
        self.log_message_raw("{}: {}".format(timestamp, message),
495
 
                             level=level)
496
 
    
497
 
    def log_message_raw(self, markup, level=1):
 
310
    def log_message(self, markup):
498
311
        """Add a log message to the log buffer."""
499
 
        if level < self.log_level:
500
 
            return
501
312
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
502
313
        if (self.max_log_length
503
314
            and len(self.log) > self.max_log_length):
504
315
            del self.log[0:len(self.log)-self.max_log_length-1]
505
 
        self.logbox.set_focus(len(self.logbox.body.contents),
506
 
                              coming_from="above")
507
 
        self.refresh()
508
316
    
509
317
    def toggle_log_display(self):
510
318
        """Toggle visibility of the log buffer."""
511
319
        self.log_visible = not self.log_visible
512
320
        self.rebuild()
513
 
        self.log_message("Log visibility changed to: {}"
514
 
                         .format(self.log_visible), level=0)
 
321
        self.log_message(u"Log visibility changed to: "
 
322
                         + unicode(self.log_visible))
515
323
    
516
324
    def change_log_display(self):
517
325
        """Change type of log display.
518
326
        Currently, this toggles wrapping of text lines."""
519
 
        if self.log_wrap == "clip":
520
 
            self.log_wrap = "any"
 
327
        if self.log_wrap == u"clip":
 
328
            self.log_wrap = u"any"
521
329
        else:
522
 
            self.log_wrap = "clip"
 
330
            self.log_wrap = u"clip"
523
331
        for textwidget in self.log:
524
332
            textwidget.set_wrap_mode(self.log_wrap)
525
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
526
 
                         level=0)
 
333
        self.log_message(u"Wrap mode: " + self.log_wrap)
527
334
    
528
335
    def find_and_remove_client(self, path, name):
529
 
        """Find a client by its object path and remove it.
 
336
        """Find an client from its object path and remove it.
530
337
        
531
338
        This is connected to the ClientRemoved signal from the
532
339
        Mandos server object."""
534
341
            client = self.clients_dict[path]
535
342
        except KeyError:
536
343
            # not found?
537
 
            self.log_message("Unknown client {!r} ({!r}) removed"
538
 
                             .format(name, path))
539
344
            return
540
 
        client.delete()
 
345
        self.remove_client(client, path)
541
346
    
542
 
    def add_new_client(self, path):
 
347
    def add_new_client(self, path, properties):
543
348
        client_proxy_object = self.bus.get_object(self.busname, path)
544
349
        self.add_client(MandosClientWidget(server_proxy_object
545
350
                                           =self.mandos_serv,
546
351
                                           proxy_object
547
352
                                           =client_proxy_object,
 
353
                                           properties=properties,
548
354
                                           update_hook
549
355
                                           =self.refresh,
550
356
                                           delete_hook
551
 
                                           =self.remove_client,
552
 
                                           logger
553
 
                                           =self.log_message),
 
357
                                           =self.remove_client),
554
358
                        path=path)
555
359
    
556
360
    def add_client(self, client, path=None):
558
362
        if path is None:
559
363
            path = client.proxy.object_path
560
364
        self.clients_dict[path] = client
561
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
365
        self.clients.sort(None, lambda c: c.properties[u"name"])
562
366
        self.refresh()
563
367
    
564
368
    def remove_client(self, client, path=None):
566
370
        if path is None:
567
371
            path = client.proxy.object_path
568
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()
569
378
        self.refresh()
570
379
    
571
380
    def refresh(self):
575
384
    
576
385
    def run(self):
577
386
        """Start the main loop and exit when it's done."""
578
 
        self.bus = dbus.SystemBus()
579
 
        mandos_dbus_objc = self.bus.get_object(
580
 
            self.busname, "/", follow_name_owner_changes=True)
581
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
582
 
                                          dbus_interface
583
 
                                          = server_interface)
584
 
        try:
585
 
            mandos_clients = (self.mandos_serv
586
 
                              .GetAllClientsWithProperties())
587
 
            if not mandos_clients:
588
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
589
 
        except dbus.exceptions.DBusException:
590
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
591
 
            mandos_clients = dbus.Dictionary()
592
 
        
593
 
        (self.mandos_serv
594
 
         .connect_to_signal("ClientRemoved",
595
 
                            self.find_and_remove_client,
596
 
                            dbus_interface=server_interface,
597
 
                            byte_arrays=True))
598
 
        (self.mandos_serv
599
 
         .connect_to_signal("ClientAdded",
600
 
                            self.add_new_client,
601
 
                            dbus_interface=server_interface,
602
 
                            byte_arrays=True))
603
 
        (self.mandos_serv
604
 
         .connect_to_signal("ClientNotFound",
605
 
                            self.client_not_found,
606
 
                            dbus_interface=server_interface,
607
 
                            byte_arrays=True))
608
 
        for path, client in mandos_clients.items():
609
 
            client_proxy_object = self.bus.get_object(self.busname,
610
 
                                                      path)
611
 
            self.add_client(MandosClientWidget(server_proxy_object
612
 
                                               =self.mandos_serv,
613
 
                                               proxy_object
614
 
                                               =client_proxy_object,
615
 
                                               properties=client,
616
 
                                               update_hook
617
 
                                               =self.refresh,
618
 
                                               delete_hook
619
 
                                               =self.remove_client,
620
 
                                               logger
621
 
                                               =self.log_message),
622
 
                            path=path)
623
 
        
624
387
        self.refresh()
625
388
        self._input_callback_tag = (gobject.io_add_watch
626
389
                                    (sys.stdin.fileno(),
636
399
    
637
400
    def process_input(self, source, condition):
638
401
        keys = self.screen.get_input()
639
 
        translations = { "ctrl n": "down",      # Emacs
640
 
                         "ctrl p": "up",        # Emacs
641
 
                         "ctrl v": "page down", # Emacs
642
 
                         "meta v": "page up",   # Emacs
643
 
                         " ": "page down",      # less
644
 
                         "f": "page down",      # less
645
 
                         "b": "page up",        # less
646
 
                         "j": "down",           # vi
647
 
                         "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
648
411
                         }
649
412
        for key in keys:
650
413
            try:
652
415
            except KeyError:    # :-)
653
416
                pass
654
417
            
655
 
            if key == "q" or key == "Q":
 
418
            if key == u"q" or key == u"Q":
656
419
                self.stop()
657
420
                break
658
 
            elif key == "window resize":
 
421
            elif key == u"window resize":
659
422
                self.size = self.screen.get_cols_rows()
660
423
                self.refresh()
661
 
            elif key == "ctrl l":
662
 
                self.screen.clear()
 
424
            elif key == u"\f":  # Ctrl-L
663
425
                self.refresh()
664
 
            elif key == "l" or key == "D":
 
426
            elif key == u"l" or key == u"D":
665
427
                self.toggle_log_display()
666
428
                self.refresh()
667
 
            elif key == "w" or key == "i":
 
429
            elif key == u"w" or key == u"i":
668
430
                self.change_log_display()
669
431
                self.refresh()
670
 
            elif key == "?" or key == "f1" or key == "esc":
671
 
                if not self.log_visible:
672
 
                    self.log_visible = True
673
 
                    self.rebuild()
674
 
                self.log_message_raw(("bold",
675
 
                                      "  ".
676
 
                                      join(("q: Quit",
677
 
                                            "?: Help",
678
 
                                            "l: Log window toggle",
679
 
                                            "TAB: Switch window",
680
 
                                            "w: Wrap (log lines)",
681
 
                                            "v: Toggle verbose log",
682
 
                                            ))))
683
 
                self.log_message_raw(("bold",
684
 
                                      "  "
685
 
                                      .join(("Clients:",
686
 
                                             "+: Enable",
687
 
                                             "-: Disable",
688
 
                                             "R: Remove",
689
 
                                             "s: Start new checker",
690
 
                                             "S: Stop checker",
691
 
                                             "C: Checker OK",
692
 
                                             "a: Approve",
693
 
                                             "d: Deny"))))
 
432
            elif key == u"?" or key == u"f1":
 
433
                self.log_message(u"Help!")
694
434
                self.refresh()
695
 
            elif key == "tab":
 
435
            elif key == u"tab":
696
436
                if self.topwidget.get_focus() is self.logbox:
697
437
                    self.topwidget.set_focus(0)
698
438
                else:
699
439
                    self.topwidget.set_focus(self.logbox)
700
440
                self.refresh()
701
 
            elif key == "v":
702
 
                if self.log_level == 0:
703
 
                    self.log_level = 1
704
 
                    self.log_message("Verbose mode: Off")
705
 
                else:
706
 
                    self.log_level = 0
707
 
                    self.log_message("Verbose mode: On")
708
 
            #elif (key == "end" or key == "meta >" or key == "G"
709
 
            #      or key == ">"):
710
 
            #    pass            # xxx end-of-buffer
711
 
            #elif (key == "home" or key == "meta <" or key == "g"
712
 
            #      or key == "<"):
713
 
            #    pass            # xxx beginning-of-buffer
714
 
            #elif key == "ctrl e" or key == "$":
715
 
            #    pass            # xxx move-end-of-line
716
 
            #elif key == "ctrl a" or key == "^":
717
 
            #    pass            # xxx move-beginning-of-line
718
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
719
 
            #    pass            # xxx left
720
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
721
 
            #    pass            # xxx right
722
 
            #elif key == "a":
723
 
            #    pass            # scroll up log
724
 
            #elif key == "z":
725
 
            #    pass            # scroll down log
 
441
            elif (key == u"end" or key == u"meta >" or key == u"G"
 
442
                  or key == u">"):
 
443
                pass            # xxx end-of-buffer
 
444
            elif (key == u"home" or key == u"meta <" or key == u"g"
 
445
                  or key == u"<"):
 
446
                pass            # xxx beginning-of-buffer
 
447
            elif key == u"ctrl e" or key == u"$":
 
448
                pass            # xxx move-end-of-line
 
449
            elif key == u"ctrl a" or key == u"^":
 
450
                pass            # xxx move-beginning-of-line
 
451
            elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
452
                pass            # xxx left
 
453
            elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
454
                pass            # xxx right
 
455
            elif key == u"a":
 
456
                pass            # scroll up log
 
457
            elif key == u"z":
 
458
                pass            # scroll down log
726
459
            elif self.topwidget.selectable():
727
460
                self.topwidget.keypress(self.size, key)
728
461
                self.refresh()
731
464
ui = UserInterface()
732
465
try:
733
466
    ui.run()
734
 
except KeyboardInterrupt:
735
 
    ui.screen.stop()
736
 
except Exception as e:
737
 
    ui.log_message(str(e))
 
467
except:
738
468
    ui.screen.stop()
739
469
    raise