/mandos/trunk

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  • Committer: Teddy Hogeborn
  • Date: 2009-11-11 00:25:22 UTC
  • Revision ID: teddy@fukt.bsnet.se-20091111002522-t416fifqw46xaqn4
* debian/rules: Only set BROKEN_PIE if binutils is a specific range of
                versions.
* mandos-monitor (MandosClientWidget.keypress): Also accept "Ctrl-K"
                                                for removing client.
  (UserInterface.__init__): Use non-bold line drawing charater.
  (UserInterface.log_message): Scroll to bottom.
  (UserInterface.process_input): Also show help on "ESC" key.

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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 © 2009-2016 Teddy Hogeborn
7
 
# Copyright © 2009-2016 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
 
from gi.repository import GLib
 
13
import gobject
43
14
 
44
15
import dbus
45
16
 
46
 
import locale
47
 
 
48
 
if sys.version_info.major == 2:
49
 
    str = unicode
50
 
 
51
 
locale.setlocale(locale.LC_ALL, '')
52
 
 
53
 
import logging
54
 
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
 
17
import UserList
55
18
 
56
19
# Some useful constants
57
 
domain = 'se.recompile'
 
20
domain = 'se.bsnet.fukt'
58
21
server_interface = domain + '.Mandos'
59
22
client_interface = domain + '.Mandos.Client'
60
 
version = "1.7.10"
61
 
 
62
 
try:
63
 
    dbus.OBJECT_MANAGER_IFACE
64
 
except AttributeError:
65
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
66
 
 
67
 
def isoformat_to_datetime(iso):
68
 
    "Parse an ISO 8601 date string to a datetime.datetime()"
69
 
    if not iso:
70
 
        return None
71
 
    d, t = iso.split("T", 1)
72
 
    year, month, day = d.split("-", 2)
73
 
    hour, minute, second = t.split(":", 2)
74
 
    second, fraction = divmod(float(second), 1)
75
 
    return datetime.datetime(int(year),
76
 
                             int(month),
77
 
                             int(day),
78
 
                             int(hour),
79
 
                             int(minute),
80
 
                             int(second),           # Whole seconds
81
 
                             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)
82
32
 
83
33
class MandosClientPropertyCache(object):
84
34
    """This wraps a Mandos Client D-Bus proxy object, caches the
85
35
    properties and calls a hook function when any of them are
86
36
    changed.
87
37
    """
88
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
38
    def __init__(self, proxy_object=None, properties=None, *args,
 
39
                 **kwargs):
89
40
        self.proxy = proxy_object # Mandos Client proxy object
90
 
        self.properties = dict() if properties is None else properties
91
 
        self.property_changed_match = (
92
 
            self.proxy.connect_to_signal("PropertiesChanged",
93
 
                                         self.properties_changed,
94
 
                                         dbus.PROPERTIES_IFACE,
95
 
                                         byte_arrays=True))
96
 
        
97
 
        if properties is None:
98
 
            self.properties.update(
99
 
                self.proxy.GetAll(client_interface,
100
 
                                  dbus_interface
101
 
                                  = dbus.PROPERTIES_IFACE))
102
 
        
103
 
        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)
104
58
    
105
 
    def properties_changed(self, interface, properties, invalidated):
106
 
        """This is called whenever we get a PropertiesChanged signal
107
 
        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.
108
62
        """
109
63
        # Update properties dict with new value
110
 
        if interface == client_interface:
111
 
            self.properties.update(properties)
112
 
    
113
 
    def delete(self):
114
 
        self.property_changed_match.remove()
 
64
        self.properties[property] = value
115
65
 
116
66
 
117
67
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
119
69
    """
120
70
    
121
71
    def __init__(self, server_proxy_object=None, update_hook=None,
122
 
                 delete_hook=None, logger=None, **kwargs):
 
72
                 delete_hook=None, *args, **kwargs):
123
73
        # Called on update
124
74
        self.update_hook = update_hook
125
75
        # Called on delete
126
76
        self.delete_hook = delete_hook
127
77
        # Mandos Server proxy object
128
78
        self.server_proxy_object = server_proxy_object
129
 
        # Logger
130
 
        self.logger = logger
131
 
        
132
 
        self._update_timer_callback_tag = None
133
79
        
134
80
        # The widget shown normally
135
81
        self._text_widget = urwid.Text("")
136
82
        # The widget shown when we have focus
137
83
        self._focus_text_widget = urwid.Text("")
138
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
84
        super(MandosClientWidget, self).__init__(
 
85
            update_hook=update_hook, delete_hook=delete_hook,
 
86
            *args, **kwargs)
139
87
        self.update()
140
88
        self.opened = False
141
 
        
142
 
        self.match_objects = (
143
 
            self.proxy.connect_to_signal("CheckerCompleted",
144
 
                                         self.checker_completed,
145
 
                                         client_interface,
146
 
                                         byte_arrays=True),
147
 
            self.proxy.connect_to_signal("CheckerStarted",
148
 
                                         self.checker_started,
149
 
                                         client_interface,
150
 
                                         byte_arrays=True),
151
 
            self.proxy.connect_to_signal("GotSecret",
152
 
                                         self.got_secret,
153
 
                                         client_interface,
154
 
                                         byte_arrays=True),
155
 
            self.proxy.connect_to_signal("NeedApproval",
156
 
                                         self.need_approval,
157
 
                                         client_interface,
158
 
                                         byte_arrays=True),
159
 
            self.proxy.connect_to_signal("Rejected",
160
 
                                         self.rejected,
161
 
                                         client_interface,
162
 
                                         byte_arrays=True))
163
 
        self.logger('Created client {}'
164
 
                    .format(self.properties["Name"]), level=0)
165
 
    
166
 
    def using_timer(self, flag):
167
 
        """Call this method with True or False when timer should be
168
 
        activated or deactivated.
169
 
        """
170
 
        if flag and self._update_timer_callback_tag is None:
171
 
            # Will update the shown timer value every second
172
 
            self._update_timer_callback_tag = (GLib.timeout_add
173
 
                                               (1000,
174
 
                                                self.update_timer))
175
 
        elif not (flag or self._update_timer_callback_tag is None):
176
 
            GLib.source_remove(self._update_timer_callback_tag)
177
 
            self._update_timer_callback_tag = None
178
 
    
179
 
    def checker_completed(self, exitstatus, condition, command):
180
 
        if exitstatus == 0:
181
 
            self.logger('Checker for client {} (command "{}")'
182
 
                        ' succeeded'.format(self.properties["Name"],
183
 
                                            command), level=0)
184
 
            self.update()
185
 
            return
186
 
        # Checker failed
187
 
        if os.WIFEXITED(condition):
188
 
            self.logger('Checker for client {} (command "{}") failed'
189
 
                        ' with exit code {}'
190
 
                        .format(self.properties["Name"], command,
191
 
                                os.WEXITSTATUS(condition)))
192
 
        elif os.WIFSIGNALED(condition):
193
 
            self.logger('Checker for client {} (command "{}") was'
194
 
                        ' killed by signal {}'
195
 
                        .format(self.properties["Name"], command,
196
 
                                os.WTERMSIG(condition)))
197
 
        self.update()
198
 
    
199
 
    def checker_started(self, command):
200
 
        """Server signals that a checker started."""
201
 
        self.logger('Client {} started checker "{}"'
202
 
                    .format(self.properties["Name"],
203
 
                            command), level=0)
204
 
    
205
 
    def got_secret(self):
206
 
        self.logger('Client {} received its secret'
207
 
                    .format(self.properties["Name"]))
208
 
    
209
 
    def need_approval(self, timeout, default):
210
 
        if not default:
211
 
            message = 'Client {} needs approval within {} seconds'
212
 
        else:
213
 
            message = 'Client {} will get its secret in {} seconds'
214
 
        self.logger(message.format(self.properties["Name"],
215
 
                                   timeout/1000))
216
 
    
217
 
    def rejected(self, reason):
218
 
        self.logger('Client {} was rejected; reason: {}'
219
 
                    .format(self.properties["Name"], reason))
220
89
    
221
90
    def selectable(self):
222
91
        """Make this a "selectable" widget.
223
92
        This overrides the method from urwid.FlowWidget."""
224
93
        return True
225
94
    
226
 
    def rows(self, maxcolrow, focus=False):
 
95
    def rows(self, (maxcol,), focus=False):
227
96
        """How many rows this widget will occupy might depend on
228
97
        whether we have focus or not.
229
98
        This overrides the method from urwid.FlowWidget"""
230
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
99
        return self.current_widget(focus).rows((maxcol,), focus=focus)
231
100
    
232
101
    def current_widget(self, focus=False):
233
102
        if focus or self.opened:
237
106
    def update(self):
238
107
        "Called when what is visible on the screen should be updated."
239
108
        # How to add standout mode to a style
240
 
        with_standout = { "normal": "standout",
241
 
                          "bold": "bold-standout",
242
 
                          "underline-blink":
243
 
                              "underline-blink-standout",
244
 
                          "bold-underline-blink":
245
 
                              "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",
246
115
                          }
247
116
        
248
117
        # Rebuild focus and non-focus widgets using current properties
249
 
        
250
 
        # Base part of a client. Name!
251
 
        base = '{name}: '.format(name=self.properties["Name"])
252
 
        if not self.properties["Enabled"]:
253
 
            message = "DISABLED"
254
 
            self.using_timer(False)
255
 
        elif self.properties["ApprovalPending"]:
256
 
            timeout = datetime.timedelta(milliseconds
257
 
                                         = self.properties
258
 
                                         ["ApprovalDelay"])
259
 
            last_approval_request = isoformat_to_datetime(
260
 
                self.properties["LastApprovalRequest"])
261
 
            if last_approval_request is not None:
262
 
                timer = max(timeout - (datetime.datetime.utcnow()
263
 
                                       - last_approval_request),
264
 
                            datetime.timedelta())
265
 
            else:
266
 
                timer = datetime.timedelta()
267
 
            if self.properties["ApprovedByDefault"]:
268
 
                message = "Approval in {}. (d)eny?"
269
 
            else:
270
 
                message = "Denial in {}. (a)pprove?"
271
 
            message = message.format(str(timer).rsplit(".", 1)[0])
272
 
            self.using_timer(True)
273
 
        elif self.properties["LastCheckerStatus"] != 0:
274
 
            # When checker has failed, show timer until client expires
275
 
            expires = self.properties["Expires"]
276
 
            if expires == "":
277
 
                timer = datetime.timedelta(0)
278
 
            else:
279
 
                expires = (datetime.datetime.strptime
280
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
281
 
                timer = max(expires - datetime.datetime.utcnow(),
282
 
                            datetime.timedelta())
283
 
            message = ('A checker has failed! Time until client'
284
 
                       ' gets disabled: {}'
285
 
                       .format(str(timer).rsplit(".", 1)[0]))
286
 
            self.using_timer(True)
287
 
        else:
288
 
            message = "enabled"
289
 
            self.using_timer(False)
290
 
        self._text = "{}{}".format(base, message)
291
 
        
 
118
        self._text = (u'name="%(name)s", enabled=%(enabled)s'
 
119
                      % self.properties)
292
120
        if not urwid.supports_unicode():
293
121
            self._text = self._text.encode("ascii", "replace")
294
 
        textlist = [("normal", self._text)]
 
122
        textlist = [(u"normal", u"BLARGH: "), (u"bold", self._text)]
295
123
        self._text_widget.set_text(textlist)
296
124
        self._focus_text_widget.set_text([(with_standout[text[0]],
297
125
                                           text[1])
305
133
        if self.update_hook is not None:
306
134
            self.update_hook()
307
135
    
308
 
    def update_timer(self):
309
 
        """called by GLib. Will indefinitely loop until
310
 
        GLib.source_remove() on tag is called
311
 
        """
312
 
        self.update()
313
 
        return True             # Keep calling this
314
 
    
315
 
    def delete(self, **kwargs):
316
 
        if self._update_timer_callback_tag is not None:
317
 
            GLib.source_remove(self._update_timer_callback_tag)
318
 
            self._update_timer_callback_tag = None
319
 
        for match in self.match_objects:
320
 
            match.remove()
321
 
        self.match_objects = ()
 
136
    def delete(self):
322
137
        if self.delete_hook is not None:
323
138
            self.delete_hook(self)
324
 
        return super(MandosClientWidget, self).delete(**kwargs)
325
139
    
326
 
    def render(self, maxcolrow, focus=False):
 
140
    def render(self, (maxcol,), focus=False):
327
141
        """Render differently if we have focus.
328
142
        This overrides the method from urwid.FlowWidget"""
329
 
        return self.current_widget(focus).render(maxcolrow,
 
143
        return self.current_widget(focus).render((maxcol,),
330
144
                                                 focus=focus)
331
145
    
332
 
    def keypress(self, maxcolrow, key):
 
146
    def keypress(self, (maxcol,), key):
333
147
        """Handle keys.
334
148
        This overrides the method from urwid.FlowWidget"""
335
 
        if key == "+":
336
 
            self.proxy.Set(client_interface, "Enabled",
337
 
                           dbus.Boolean(True), ignore_reply = True,
338
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
339
 
        elif key == "-":
340
 
            self.proxy.Set(client_interface, "Enabled", False,
341
 
                           ignore_reply = True,
342
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
343
 
        elif key == "a":
344
 
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
345
 
                               dbus_interface = client_interface,
346
 
                               ignore_reply=True)
347
 
        elif key == "d":
348
 
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
349
 
                                  dbus_interface = client_interface,
350
 
                               ignore_reply=True)
351
 
        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"_" or key == u"ctrl k":
352
154
            self.server_proxy_object.RemoveClient(self.proxy
353
 
                                                  .object_path,
354
 
                                                  ignore_reply=True)
355
 
        elif key == "s":
356
 
            self.proxy.Set(client_interface, "CheckerRunning",
357
 
                           dbus.Boolean(True), ignore_reply = True,
358
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
359
 
        elif key == "S":
360
 
            self.proxy.Set(client_interface, "CheckerRunning",
361
 
                           dbus.Boolean(False), ignore_reply = True,
362
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
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"S":
 
159
            self.proxy.StopChecker()
 
160
        elif key == u"C":
 
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"bold",
 
254
                          u"Mandos Monitor version " + version))
 
255
        self.log_message((u"bold",
 
256
                          u"q: Quit  ?: Help"))
464
257
        
465
258
        self.busname = domain + '.Mandos'
466
 
        self.main_loop = GLib.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))
 
259
        self.main_loop = gobject.MainLoop()
 
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
316
        self.logbox.set_focus(len(self.logbox.body.contents),
506
 
                              coming_from="above")
507
 
        self.refresh()
 
317
                              coming_from=u"above")
508
318
    
509
319
    def toggle_log_display(self):
510
320
        """Toggle visibility of the log buffer."""
511
321
        self.log_visible = not self.log_visible
512
322
        self.rebuild()
513
 
        self.log_message("Log visibility changed to: {}"
514
 
                         .format(self.log_visible), level=0)
 
323
        self.log_message(u"Log visibility changed to: "
 
324
                         + unicode(self.log_visible))
515
325
    
516
326
    def change_log_display(self):
517
327
        """Change type of log display.
518
328
        Currently, this toggles wrapping of text lines."""
519
 
        if self.log_wrap == "clip":
520
 
            self.log_wrap = "any"
 
329
        if self.log_wrap == u"clip":
 
330
            self.log_wrap = u"any"
521
331
        else:
522
 
            self.log_wrap = "clip"
 
332
            self.log_wrap = u"clip"
523
333
        for textwidget in self.log:
524
334
            textwidget.set_wrap_mode(self.log_wrap)
525
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
526
 
                         level=0)
 
335
        self.log_message(u"Wrap mode: " + self.log_wrap)
527
336
    
528
 
    def find_and_remove_client(self, path, interfaces):
529
 
        """Find a client by its object path and remove it.
 
337
    def find_and_remove_client(self, path, name):
 
338
        """Find an client from its object path and remove it.
530
339
        
531
 
        This is connected to the InterfacesRemoved signal from the
 
340
        This is connected to the ClientRemoved signal from the
532
341
        Mandos server object."""
533
 
        if client_interface not in interfaces:
534
 
            # Not a Mandos client object; ignore
535
 
            return
536
342
        try:
537
343
            client = self.clients_dict[path]
538
344
        except KeyError:
539
345
            # not found?
540
 
            self.log_message("Unknown client {!r} removed"
541
 
                             .format(path))
542
346
            return
543
 
        client.delete()
 
347
        self.remove_client(client, path)
544
348
    
545
 
    def add_new_client(self, path, ifs_and_props):
546
 
        """Find a client by its object path and remove it.
547
 
        
548
 
        This is connected to the InterfacesAdded signal from the
549
 
        Mandos server object.
550
 
        """
551
 
        if client_interface not in ifs_and_props:
552
 
            # Not a Mandos client object; ignore
553
 
            return
 
349
    def add_new_client(self, path, properties):
554
350
        client_proxy_object = self.bus.get_object(self.busname, path)
555
351
        self.add_client(MandosClientWidget(server_proxy_object
556
352
                                           =self.mandos_serv,
557
353
                                           proxy_object
558
354
                                           =client_proxy_object,
 
355
                                           properties=properties,
559
356
                                           update_hook
560
357
                                           =self.refresh,
561
358
                                           delete_hook
562
 
                                           =self.remove_client,
563
 
                                           logger
564
 
                                           =self.log_message,
565
 
                                           properties
566
 
                                           = dict(ifs_and_props[
567
 
                                               client_interface])),
 
359
                                           =self.remove_client),
568
360
                        path=path)
569
361
    
570
362
    def add_client(self, client, path=None):
572
364
        if path is None:
573
365
            path = client.proxy.object_path
574
366
        self.clients_dict[path] = client
575
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
367
        self.clients.sort(None, lambda c: c.properties[u"name"])
576
368
        self.refresh()
577
369
    
578
370
    def remove_client(self, client, path=None):
580
372
        if path is None:
581
373
            path = client.proxy.object_path
582
374
        del self.clients_dict[path]
 
375
        if not self.clients_dict:
 
376
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
377
            # is completely emptied, we need to recreate it.
 
378
            self.clients = urwid.SimpleListWalker([])
 
379
            self.rebuild()
583
380
        self.refresh()
584
381
    
585
382
    def refresh(self):
589
386
    
590
387
    def run(self):
591
388
        """Start the main loop and exit when it's done."""
592
 
        self.bus = dbus.SystemBus()
593
 
        mandos_dbus_objc = self.bus.get_object(
594
 
            self.busname, "/", follow_name_owner_changes=True)
595
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
596
 
                                          dbus_interface
597
 
                                          = server_interface)
598
 
        try:
599
 
            mandos_clients = (self.mandos_serv
600
 
                              .GetAllClientsWithProperties())
601
 
            if not mandos_clients:
602
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
603
 
        except dbus.exceptions.DBusException:
604
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
605
 
            mandos_clients = dbus.Dictionary()
606
 
        
607
 
        (self.mandos_serv
608
 
         .connect_to_signal("InterfacesRemoved",
609
 
                            self.find_and_remove_client,
610
 
                            dbus_interface
611
 
                            = dbus.OBJECT_MANAGER_IFACE,
612
 
                            byte_arrays=True))
613
 
        (self.mandos_serv
614
 
         .connect_to_signal("InterfacesAdded",
615
 
                            self.add_new_client,
616
 
                            dbus_interface
617
 
                            = dbus.OBJECT_MANAGER_IFACE,
618
 
                            byte_arrays=True))
619
 
        (self.mandos_serv
620
 
         .connect_to_signal("ClientNotFound",
621
 
                            self.client_not_found,
622
 
                            dbus_interface=server_interface,
623
 
                            byte_arrays=True))
624
 
        for path, client in mandos_clients.items():
625
 
            client_proxy_object = self.bus.get_object(self.busname,
626
 
                                                      path)
627
 
            self.add_client(MandosClientWidget(server_proxy_object
628
 
                                               =self.mandos_serv,
629
 
                                               proxy_object
630
 
                                               =client_proxy_object,
631
 
                                               properties=client,
632
 
                                               update_hook
633
 
                                               =self.refresh,
634
 
                                               delete_hook
635
 
                                               =self.remove_client,
636
 
                                               logger
637
 
                                               =self.log_message),
638
 
                            path=path)
639
 
        
640
389
        self.refresh()
641
 
        self._input_callback_tag = (GLib.io_add_watch
 
390
        self._input_callback_tag = (gobject.io_add_watch
642
391
                                    (sys.stdin.fileno(),
643
 
                                     GLib.IO_IN,
 
392
                                     gobject.IO_IN,
644
393
                                     self.process_input))
645
394
        self.main_loop.run()
646
395
        # Main loop has finished, we should close everything now
647
 
        GLib.source_remove(self._input_callback_tag)
 
396
        gobject.source_remove(self._input_callback_tag)
648
397
        self.screen.stop()
649
398
    
650
399
    def stop(self):
652
401
    
653
402
    def process_input(self, source, condition):
654
403
        keys = self.screen.get_input()
655
 
        translations = { "ctrl n": "down",      # Emacs
656
 
                         "ctrl p": "up",        # Emacs
657
 
                         "ctrl v": "page down", # Emacs
658
 
                         "meta v": "page up",   # Emacs
659
 
                         " ": "page down",      # less
660
 
                         "f": "page down",      # less
661
 
                         "b": "page up",        # less
662
 
                         "j": "down",           # vi
663
 
                         "k": "up",             # vi
 
404
        translations = { u"ctrl n": u"down",      # Emacs
 
405
                         u"ctrl p": u"up",        # Emacs
 
406
                         u"ctrl v": u"page down", # Emacs
 
407
                         u"meta v": u"page up",   # Emacs
 
408
                         u" ": u"page down",      # less
 
409
                         u"f": u"page down",      # less
 
410
                         u"b": u"page up",        # less
 
411
                         u"j": u"down",           # vi
 
412
                         u"k": u"up",             # vi
664
413
                         }
665
414
        for key in keys:
666
415
            try:
668
417
            except KeyError:    # :-)
669
418
                pass
670
419
            
671
 
            if key == "q" or key == "Q":
 
420
            if key == u"q" or key == u"Q":
672
421
                self.stop()
673
422
                break
674
 
            elif key == "window resize":
 
423
            elif key == u"window resize":
675
424
                self.size = self.screen.get_cols_rows()
676
425
                self.refresh()
677
 
            elif key == "ctrl l":
678
 
                self.screen.clear()
 
426
            elif key == u"\f":  # Ctrl-L
679
427
                self.refresh()
680
 
            elif key == "l" or key == "D":
 
428
            elif key == u"l" or key == u"D":
681
429
                self.toggle_log_display()
682
430
                self.refresh()
683
 
            elif key == "w" or key == "i":
 
431
            elif key == u"w" or key == u"i":
684
432
                self.change_log_display()
685
433
                self.refresh()
686
 
            elif key == "?" or key == "f1" or key == "esc":
 
434
            elif key == u"?" or key == u"f1" or key == u"esc":
687
435
                if not self.log_visible:
688
436
                    self.log_visible = True
689
437
                    self.rebuild()
690
 
                self.log_message_raw(("bold",
691
 
                                      "  ".
692
 
                                      join(("q: Quit",
693
 
                                            "?: Help",
694
 
                                            "l: Log window toggle",
695
 
                                            "TAB: Switch window",
696
 
                                            "w: Wrap (log lines)",
697
 
                                            "v: Toggle verbose log",
698
 
                                            ))))
699
 
                self.log_message_raw(("bold",
700
 
                                      "  "
701
 
                                      .join(("Clients:",
702
 
                                             "+: Enable",
703
 
                                             "-: Disable",
704
 
                                             "R: Remove",
705
 
                                             "s: Start new checker",
706
 
                                             "S: Stop checker",
707
 
                                             "C: Checker OK",
708
 
                                             "a: Approve",
709
 
                                             "d: Deny"))))
 
438
                self.log_message((u"bold",
 
439
                                  u"  ".join((u"q: Quit",
 
440
                                              u"?: Help",
 
441
                                              u"l: Log window toggle",
 
442
                                              u"TAB: Switch window",
 
443
                                              u"w: Wrap (log)"))))
 
444
                self.log_message((u"bold",
 
445
                                  u"  ".join((u"Clients:",
 
446
                                              u"e: Enable",
 
447
                                              u"d: Disable",
 
448
                                              u"r: Remove",
 
449
                                              u"s: Start new checker",
 
450
                                              u"S: Stop checker",
 
451
                                              u"C: Checker OK"))))
710
452
                self.refresh()
711
 
            elif key == "tab":
 
453
            elif key == u"tab":
712
454
                if self.topwidget.get_focus() is self.logbox:
713
455
                    self.topwidget.set_focus(0)
714
456
                else:
715
457
                    self.topwidget.set_focus(self.logbox)
716
458
                self.refresh()
717
 
            elif key == "v":
718
 
                if self.log_level == 0:
719
 
                    self.log_level = 1
720
 
                    self.log_message("Verbose mode: Off")
721
 
                else:
722
 
                    self.log_level = 0
723
 
                    self.log_message("Verbose mode: On")
724
 
            #elif (key == "end" or key == "meta >" or key == "G"
725
 
            #      or key == ">"):
 
459
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
460
            #      or key == u">"):
726
461
            #    pass            # xxx end-of-buffer
727
 
            #elif (key == "home" or key == "meta <" or key == "g"
728
 
            #      or key == "<"):
 
462
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
463
            #      or key == u"<"):
729
464
            #    pass            # xxx beginning-of-buffer
730
 
            #elif key == "ctrl e" or key == "$":
 
465
            #elif key == u"ctrl e" or key == u"$":
731
466
            #    pass            # xxx move-end-of-line
732
 
            #elif key == "ctrl a" or key == "^":
 
467
            #elif key == u"ctrl a" or key == u"^":
733
468
            #    pass            # xxx move-beginning-of-line
734
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
469
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
735
470
            #    pass            # xxx left
736
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
471
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
737
472
            #    pass            # xxx right
738
 
            #elif key == "a":
 
473
            #elif key == u"a":
739
474
            #    pass            # scroll up log
740
 
            #elif key == "z":
 
475
            #elif key == u"z":
741
476
            #    pass            # scroll down log
742
477
            elif self.topwidget.selectable():
743
478
                self.topwidget.keypress(self.size, key)
747
482
ui = UserInterface()
748
483
try:
749
484
    ui.run()
750
 
except KeyboardInterrupt:
751
 
    ui.screen.stop()
752
 
except Exception as e:
753
 
    ui.log_message(str(e))
 
485
except:
754
486
    ui.screen.stop()
755
487
    raise