/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 © 2009-2014 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[0] == 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 = "1.6.4"
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("PropertyChanged",
91
 
                                         self._property_changed,
92
 
                                         client_interface,
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)
102
 
    
103
 
    def _property_changed(self, property, value):
104
 
        """Helper which takes positional arguments"""
105
 
        return self.property_changed(property=property, value=value)
 
41
        
 
42
        if properties is None:
 
43
            self.properties = dict()
 
44
        else:
 
45
            self.properties = properties
 
46
        self.proxy.connect_to_signal("PropertyChanged",
 
47
                                     self.property_changed,
 
48
                                     client_interface,
 
49
                                     byte_arrays=True)
 
50
        
 
51
        if properties is None:
 
52
            self.properties.update(self.proxy.GetAll(client_interface,
 
53
                                                     dbus_interface =
 
54
                                                     dbus.PROPERTIES_IFACE))
 
55
        super(MandosClientPropertyCache, self).__init__(
 
56
            proxy_object=proxy_object,
 
57
            properties=properties, *args, **kwargs)
106
58
    
107
59
    def property_changed(self, property=None, value=None):
108
60
        """This is called whenever we get a PropertyChanged signal
110
62
        """
111
63
        # Update properties dict with new value
112
64
        self.properties[property] = value
113
 
    
114
 
    def delete(self):
115
 
        self.property_changed_match.remove()
116
65
 
117
66
 
118
67
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
120
69
    """
121
70
    
122
71
    def __init__(self, server_proxy_object=None, update_hook=None,
123
 
                 delete_hook=None, logger=None, **kwargs):
 
72
                 delete_hook=None, *args, **kwargs):
124
73
        # Called on update
125
74
        self.update_hook = update_hook
126
75
        # Called on delete
127
76
        self.delete_hook = delete_hook
128
77
        # Mandos Server proxy object
129
78
        self.server_proxy_object = server_proxy_object
130
 
        # Logger
131
 
        self.logger = logger
132
 
        
133
 
        self._update_timer_callback_tag = None
134
79
        
135
80
        # The widget shown normally
136
81
        self._text_widget = urwid.Text("")
137
82
        # The widget shown when we have focus
138
83
        self._focus_text_widget = urwid.Text("")
139
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
84
        super(MandosClientWidget, self).__init__(
 
85
            update_hook=update_hook, delete_hook=delete_hook,
 
86
            *args, **kwargs)
140
87
        self.update()
141
88
        self.opened = False
142
 
        
143
 
        self.match_objects = (
144
 
            self.proxy.connect_to_signal("CheckerCompleted",
145
 
                                         self.checker_completed,
146
 
                                         client_interface,
147
 
                                         byte_arrays=True),
148
 
            self.proxy.connect_to_signal("CheckerStarted",
149
 
                                         self.checker_started,
150
 
                                         client_interface,
151
 
                                         byte_arrays=True),
152
 
            self.proxy.connect_to_signal("GotSecret",
153
 
                                         self.got_secret,
154
 
                                         client_interface,
155
 
                                         byte_arrays=True),
156
 
            self.proxy.connect_to_signal("NeedApproval",
157
 
                                         self.need_approval,
158
 
                                         client_interface,
159
 
                                         byte_arrays=True),
160
 
            self.proxy.connect_to_signal("Rejected",
161
 
                                         self.rejected,
162
 
                                         client_interface,
163
 
                                         byte_arrays=True))
164
 
        #self.logger('Created client {0}'
165
 
        #            .format(self.properties["Name"]))
166
 
    
167
 
    def using_timer(self, flag):
168
 
        """Call this method with True or False when timer should be
169
 
        activated or deactivated.
170
 
        """
171
 
        if flag and self._update_timer_callback_tag is None:
172
 
            # Will update the shown timer value every second
173
 
            self._update_timer_callback_tag = (gobject.timeout_add
174
 
                                               (1000,
175
 
                                                self.update_timer))
176
 
        elif not (flag or self._update_timer_callback_tag is None):
177
 
            gobject.source_remove(self._update_timer_callback_tag)
178
 
            self._update_timer_callback_tag = None
179
 
    
180
 
    def checker_completed(self, exitstatus, condition, command):
181
 
        if exitstatus == 0:
182
 
            self.update()
183
 
            return
184
 
        # Checker failed
185
 
        if os.WIFEXITED(condition):
186
 
            self.logger('Checker for client {0} (command "{1}")'
187
 
                        ' failed with exit code {2}'
188
 
                        .format(self.properties["Name"], command,
189
 
                                os.WEXITSTATUS(condition)))
190
 
        elif os.WIFSIGNALED(condition):
191
 
            self.logger('Checker for client {0} (command "{1}") was'
192
 
                        ' killed by signal {2}'
193
 
                        .format(self.properties["Name"], command,
194
 
                                os.WTERMSIG(condition)))
195
 
        elif os.WCOREDUMP(condition):
196
 
            self.logger('Checker for client {0} (command "{1}")'
197
 
                        ' dumped core'
198
 
                        .format(self.properties["Name"], command))
199
 
        else:
200
 
            self.logger('Checker for client {0} completed'
201
 
                        ' mysteriously'
202
 
                        .format(self.properties["Name"]))
203
 
        self.update()
204
 
    
205
 
    def checker_started(self, command):
206
 
        """Server signals that a checker started. This could be useful
207
 
           to log in the future. """
208
 
        #self.logger('Client {0} started checker "{1}"'
209
 
        #            .format(self.properties["Name"],
210
 
        #                    str(command)))
211
 
        pass
212
 
    
213
 
    def got_secret(self):
214
 
        self.logger('Client {0} received its secret'
215
 
                    .format(self.properties["Name"]))
216
 
    
217
 
    def need_approval(self, timeout, default):
218
 
        if not default:
219
 
            message = 'Client {0} needs approval within {1} seconds'
220
 
        else:
221
 
            message = 'Client {0} will get its secret in {1} seconds'
222
 
        self.logger(message.format(self.properties["Name"],
223
 
                                   timeout/1000))
224
 
    
225
 
    def rejected(self, reason):
226
 
        self.logger('Client {0} was rejected; reason: {1}'
227
 
                    .format(self.properties["Name"], reason))
228
89
    
229
90
    def selectable(self):
230
91
        """Make this a "selectable" widget.
231
92
        This overrides the method from urwid.FlowWidget."""
232
93
        return True
233
94
    
234
 
    def rows(self, maxcolrow, focus=False):
 
95
    def rows(self, (maxcol,), focus=False):
235
96
        """How many rows this widget will occupy might depend on
236
97
        whether we have focus or not.
237
98
        This overrides the method from urwid.FlowWidget"""
238
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
99
        return self.current_widget(focus).rows((maxcol,), focus=focus)
239
100
    
240
101
    def current_widget(self, focus=False):
241
102
        if focus or self.opened:
245
106
    def update(self):
246
107
        "Called when what is visible on the screen should be updated."
247
108
        # How to add standout mode to a style
248
 
        with_standout = { "normal": "standout",
249
 
                          "bold": "bold-standout",
250
 
                          "underline-blink":
251
 
                              "underline-blink-standout",
252
 
                          "bold-underline-blink":
253
 
                              "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",
254
115
                          }
255
116
        
256
117
        # Rebuild focus and non-focus widgets using current properties
257
 
        
258
 
        # Base part of a client. Name!
259
 
        base = '{name}: '.format(name=self.properties["Name"])
260
 
        if not self.properties["Enabled"]:
261
 
            message = "DISABLED"
262
 
            self.using_timer(False)
263
 
        elif self.properties["ApprovalPending"]:
264
 
            timeout = datetime.timedelta(milliseconds
265
 
                                         = self.properties
266
 
                                         ["ApprovalDelay"])
267
 
            last_approval_request = isoformat_to_datetime(
268
 
                self.properties["LastApprovalRequest"])
269
 
            if last_approval_request is not None:
270
 
                timer = max(timeout - (datetime.datetime.utcnow()
271
 
                                       - last_approval_request),
272
 
                            datetime.timedelta())
273
 
            else:
274
 
                timer = datetime.timedelta()
275
 
            if self.properties["ApprovedByDefault"]:
276
 
                message = "Approval in {0}. (d)eny?"
277
 
            else:
278
 
                message = "Denial in {0}. (a)pprove?"
279
 
            message = message.format(str(timer).rsplit(".", 1)[0])
280
 
            self.using_timer(True)
281
 
        elif self.properties["LastCheckerStatus"] != 0:
282
 
            # When checker has failed, show timer until client expires
283
 
            expires = self.properties["Expires"]
284
 
            if expires == "":
285
 
                timer = datetime.timedelta(0)
286
 
            else:
287
 
                expires = (datetime.datetime.strptime
288
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
289
 
                timer = max(expires - datetime.datetime.utcnow(),
290
 
                            datetime.timedelta())
291
 
            message = ('A checker has failed! Time until client'
292
 
                       ' gets disabled: {0}'
293
 
                       .format(str(timer).rsplit(".", 1)[0]))
294
 
            self.using_timer(True)
295
 
        else:
296
 
            message = "enabled"
297
 
            self.using_timer(False)
298
 
        self._text = "{0}{1}".format(base, message)
299
 
        
 
118
        self._text = (u'name="%(name)s", enabled=%(enabled)s'
 
119
                      % self.properties)
300
120
        if not urwid.supports_unicode():
301
121
            self._text = self._text.encode("ascii", "replace")
302
 
        textlist = [("normal", self._text)]
 
122
        textlist = [(u"normal", u"BLARGH: "), (u"bold", self._text)]
303
123
        self._text_widget.set_text(textlist)
304
124
        self._focus_text_widget.set_text([(with_standout[text[0]],
305
125
                                           text[1])
313
133
        if self.update_hook is not None:
314
134
            self.update_hook()
315
135
    
316
 
    def update_timer(self):
317
 
        """called by gobject. Will indefinitely loop until
318
 
        gobject.source_remove() on tag is called"""
319
 
        self.update()
320
 
        return True             # Keep calling this
321
 
    
322
 
    def delete(self, **kwargs):
323
 
        if self._update_timer_callback_tag is not None:
324
 
            gobject.source_remove(self._update_timer_callback_tag)
325
 
            self._update_timer_callback_tag = None
326
 
        for match in self.match_objects:
327
 
            match.remove()
328
 
        self.match_objects = ()
 
136
    def delete(self):
329
137
        if self.delete_hook is not None:
330
138
            self.delete_hook(self)
331
 
        return super(MandosClientWidget, self).delete(**kwargs)
332
139
    
333
 
    def render(self, maxcolrow, focus=False):
 
140
    def render(self, (maxcol,), focus=False):
334
141
        """Render differently if we have focus.
335
142
        This overrides the method from urwid.FlowWidget"""
336
 
        return self.current_widget(focus).render(maxcolrow,
 
143
        return self.current_widget(focus).render((maxcol,),
337
144
                                                 focus=focus)
338
145
    
339
 
    def keypress(self, maxcolrow, key):
 
146
    def keypress(self, (maxcol,), key):
340
147
        """Handle keys.
341
148
        This overrides the method from urwid.FlowWidget"""
342
 
        if key == "+":
343
 
            self.proxy.Enable(dbus_interface = client_interface,
344
 
                              ignore_reply=True)
345
 
        elif key == "-":
346
 
            self.proxy.Disable(dbus_interface = client_interface,
347
 
                               ignore_reply=True)
348
 
        elif key == "a":
349
 
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
350
 
                               dbus_interface = client_interface,
351
 
                               ignore_reply=True)
352
 
        elif key == "d":
353
 
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
354
 
                                  dbus_interface = client_interface,
355
 
                               ignore_reply=True)
356
 
        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":
357
154
            self.server_proxy_object.RemoveClient(self.proxy
358
 
                                                  .object_path,
359
 
                                                  ignore_reply=True)
360
 
        elif key == "s":
361
 
            self.proxy.StartChecker(dbus_interface = client_interface,
362
 
                                    ignore_reply=True)
363
 
        elif key == "S":
364
 
            self.proxy.StopChecker(dbus_interface = client_interface,
365
 
                                   ignore_reply=True)
366
 
        elif key == "C":
367
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
368
 
                                 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()
369
162
        # xxx
370
 
#         elif key == "p" or key == "=":
 
163
#         elif key == u"p" or key == "=":
371
164
#             self.proxy.pause()
372
 
#         elif key == "u" or key == ":":
 
165
#         elif key == u"u" or key == ":":
373
166
#             self.proxy.unpause()
374
 
#         elif key == "RET":
 
167
#         elif key == u"RET":
375
168
#             self.open()
376
169
        else:
377
170
            return key
378
171
    
379
 
    def property_changed(self, property=None, **kwargs):
 
172
    def property_changed(self, property=None, value=None,
 
173
                         *args, **kwargs):
380
174
        """Call self.update() if old value is not new value.
381
175
        This overrides the method from MandosClientPropertyCache"""
382
 
        property_name = str(property)
 
176
        property_name = unicode(property)
383
177
        old_value = self.properties.get(property_name)
384
178
        super(MandosClientWidget, self).property_changed(
385
 
            property=property, **kwargs)
 
179
            property=property, value=value, *args, **kwargs)
386
180
        if self.properties.get(property_name) != old_value:
387
181
            self.update()
388
182
 
392
186
    "down" key presses, thus not allowing any containing widgets to
393
187
    use them as an excuse to shift focus away from this widget.
394
188
    """
395
 
    def keypress(self, *args, **kwargs):
396
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
397
 
        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"):
398
192
            return
399
193
        return ret
400
194
 
409
203
        self.screen = urwid.curses_display.Screen()
410
204
        
411
205
        self.screen.register_palette((
412
 
                ("normal",
413
 
                 "default", "default", None),
414
 
                ("bold",
415
 
                 "bold", "default", "bold"),
416
 
                ("underline-blink",
417
 
                 "underline,blink", "default", "underline,blink"),
418
 
                ("standout",
419
 
                 "standout", "default", "standout"),
420
 
                ("bold-underline-blink",
421
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
422
 
                ("bold-standout",
423
 
                 "bold,standout", "default", "bold,standout"),
424
 
                ("underline-blink-standout",
425
 
                 "underline,blink,standout", "default",
426
 
                 "underline,blink,standout"),
427
 
                ("bold-underline-blink-standout",
428
 
                 "bold,underline,blink,standout", "default",
429
 
                 "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")),
430
223
                ))
431
224
        
432
225
        if urwid.supports_unicode():
433
 
            self.divider = "─" # \u2500
434
 
            #self.divider = "━" # \u2501
 
226
            self.divider = u"─" # \u2500
 
227
            #self.divider = u"━" # \u2501
435
228
        else:
436
 
            #self.divider = "-" # \u002d
437
 
            self.divider = "_" # \u005f
 
229
            #self.divider = u"-" # \u002d
 
230
            self.divider = u"_" # \u005f
438
231
        
439
232
        self.screen.start()
440
233
        
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
259
        self.main_loop = gobject.MainLoop()
467
 
    
468
 
    def client_not_found(self, fingerprint, address):
469
 
        self.log_message("Client with address {0} and fingerprint"
470
 
                         " {1} 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):
490
 
        """Log message formatted with timestamp"""
491
 
        timestamp = datetime.datetime.now().isoformat()
492
 
        self.log_message_raw(timestamp + ": " + message)
493
 
    
494
 
    def log_message_raw(self, markup):
 
310
    def log_message(self, markup):
495
311
        """Add a log message to the log buffer."""
496
312
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
497
313
        if (self.max_log_length
498
314
            and len(self.log) > self.max_log_length):
499
315
            del self.log[0:len(self.log)-self.max_log_length-1]
500
316
        self.logbox.set_focus(len(self.logbox.body.contents),
501
 
                              coming_from="above")
502
 
        self.refresh()
 
317
                              coming_from=u"above")
503
318
    
504
319
    def toggle_log_display(self):
505
320
        """Toggle visibility of the log buffer."""
506
321
        self.log_visible = not self.log_visible
507
322
        self.rebuild()
508
 
        #self.log_message("Log visibility changed to: "
509
 
        #                 + str(self.log_visible))
 
323
        self.log_message(u"Log visibility changed to: "
 
324
                         + unicode(self.log_visible))
510
325
    
511
326
    def change_log_display(self):
512
327
        """Change type of log display.
513
328
        Currently, this toggles wrapping of text lines."""
514
 
        if self.log_wrap == "clip":
515
 
            self.log_wrap = "any"
 
329
        if self.log_wrap == u"clip":
 
330
            self.log_wrap = u"any"
516
331
        else:
517
 
            self.log_wrap = "clip"
 
332
            self.log_wrap = u"clip"
518
333
        for textwidget in self.log:
519
334
            textwidget.set_wrap_mode(self.log_wrap)
520
 
        #self.log_message("Wrap mode: " + self.log_wrap)
 
335
        self.log_message(u"Wrap mode: " + self.log_wrap)
521
336
    
522
337
    def find_and_remove_client(self, path, name):
523
 
        """Find a client by its object path and remove it.
 
338
        """Find an client from its object path and remove it.
524
339
        
525
340
        This is connected to the ClientRemoved signal from the
526
341
        Mandos server object."""
528
343
            client = self.clients_dict[path]
529
344
        except KeyError:
530
345
            # not found?
531
 
            self.log_message("Unknown client {0!r} ({1!r}) removed"
532
 
                             .format(name, path))
533
346
            return
534
 
        client.delete()
 
347
        self.remove_client(client, path)
535
348
    
536
 
    def add_new_client(self, path):
 
349
    def add_new_client(self, path, properties):
537
350
        client_proxy_object = self.bus.get_object(self.busname, path)
538
351
        self.add_client(MandosClientWidget(server_proxy_object
539
352
                                           =self.mandos_serv,
540
353
                                           proxy_object
541
354
                                           =client_proxy_object,
 
355
                                           properties=properties,
542
356
                                           update_hook
543
357
                                           =self.refresh,
544
358
                                           delete_hook
545
 
                                           =self.remove_client,
546
 
                                           logger
547
 
                                           =self.log_message),
 
359
                                           =self.remove_client),
548
360
                        path=path)
549
361
    
550
362
    def add_client(self, client, path=None):
552
364
        if path is None:
553
365
            path = client.proxy.object_path
554
366
        self.clients_dict[path] = client
555
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
367
        self.clients.sort(None, lambda c: c.properties[u"name"])
556
368
        self.refresh()
557
369
    
558
370
    def remove_client(self, client, path=None):
560
372
        if path is None:
561
373
            path = client.proxy.object_path
562
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()
563
380
        self.refresh()
564
381
    
565
382
    def refresh(self):
569
386
    
570
387
    def run(self):
571
388
        """Start the main loop and exit when it's done."""
572
 
        self.bus = dbus.SystemBus()
573
 
        mandos_dbus_objc = self.bus.get_object(
574
 
            self.busname, "/", follow_name_owner_changes=True)
575
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
576
 
                                          dbus_interface
577
 
                                          = server_interface)
578
 
        try:
579
 
            mandos_clients = (self.mandos_serv
580
 
                              .GetAllClientsWithProperties())
581
 
            if not mandos_clients:
582
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
583
 
        except dbus.exceptions.DBusException:
584
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
585
 
            mandos_clients = dbus.Dictionary()
586
 
        
587
 
        (self.mandos_serv
588
 
         .connect_to_signal("ClientRemoved",
589
 
                            self.find_and_remove_client,
590
 
                            dbus_interface=server_interface,
591
 
                            byte_arrays=True))
592
 
        (self.mandos_serv
593
 
         .connect_to_signal("ClientAdded",
594
 
                            self.add_new_client,
595
 
                            dbus_interface=server_interface,
596
 
                            byte_arrays=True))
597
 
        (self.mandos_serv
598
 
         .connect_to_signal("ClientNotFound",
599
 
                            self.client_not_found,
600
 
                            dbus_interface=server_interface,
601
 
                            byte_arrays=True))
602
 
        for path, client in mandos_clients.items():
603
 
            client_proxy_object = self.bus.get_object(self.busname,
604
 
                                                      path)
605
 
            self.add_client(MandosClientWidget(server_proxy_object
606
 
                                               =self.mandos_serv,
607
 
                                               proxy_object
608
 
                                               =client_proxy_object,
609
 
                                               properties=client,
610
 
                                               update_hook
611
 
                                               =self.refresh,
612
 
                                               delete_hook
613
 
                                               =self.remove_client,
614
 
                                               logger
615
 
                                               =self.log_message),
616
 
                            path=path)
617
 
        
618
389
        self.refresh()
619
390
        self._input_callback_tag = (gobject.io_add_watch
620
391
                                    (sys.stdin.fileno(),
630
401
    
631
402
    def process_input(self, source, condition):
632
403
        keys = self.screen.get_input()
633
 
        translations = { "ctrl n": "down",      # Emacs
634
 
                         "ctrl p": "up",        # Emacs
635
 
                         "ctrl v": "page down", # Emacs
636
 
                         "meta v": "page up",   # Emacs
637
 
                         " ": "page down",      # less
638
 
                         "f": "page down",      # less
639
 
                         "b": "page up",        # less
640
 
                         "j": "down",           # vi
641
 
                         "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
642
413
                         }
643
414
        for key in keys:
644
415
            try:
646
417
            except KeyError:    # :-)
647
418
                pass
648
419
            
649
 
            if key == "q" or key == "Q":
 
420
            if key == u"q" or key == u"Q":
650
421
                self.stop()
651
422
                break
652
 
            elif key == "window resize":
 
423
            elif key == u"window resize":
653
424
                self.size = self.screen.get_cols_rows()
654
425
                self.refresh()
655
 
            elif key == "\f":  # Ctrl-L
 
426
            elif key == u"\f":  # Ctrl-L
656
427
                self.refresh()
657
 
            elif key == "l" or key == "D":
 
428
            elif key == u"l" or key == u"D":
658
429
                self.toggle_log_display()
659
430
                self.refresh()
660
 
            elif key == "w" or key == "i":
 
431
            elif key == u"w" or key == u"i":
661
432
                self.change_log_display()
662
433
                self.refresh()
663
 
            elif key == "?" or key == "f1" or key == "esc":
 
434
            elif key == u"?" or key == u"f1" or key == u"esc":
664
435
                if not self.log_visible:
665
436
                    self.log_visible = True
666
437
                    self.rebuild()
667
 
                self.log_message_raw(("bold",
668
 
                                      "  ".
669
 
                                      join(("q: Quit",
670
 
                                            "?: Help",
671
 
                                            "l: Log window toggle",
672
 
                                            "TAB: Switch window",
673
 
                                            "w: Wrap (log)"))))
674
 
                self.log_message_raw(("bold",
675
 
                                      "  "
676
 
                                      .join(("Clients:",
677
 
                                             "+: Enable",
678
 
                                             "-: Disable",
679
 
                                             "R: Remove",
680
 
                                             "s: Start new checker",
681
 
                                             "S: Stop checker",
682
 
                                             "C: Checker OK",
683
 
                                             "a: Approve",
684
 
                                             "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"))))
685
452
                self.refresh()
686
 
            elif key == "tab":
 
453
            elif key == u"tab":
687
454
                if self.topwidget.get_focus() is self.logbox:
688
455
                    self.topwidget.set_focus(0)
689
456
                else:
690
457
                    self.topwidget.set_focus(self.logbox)
691
458
                self.refresh()
692
 
            #elif (key == "end" or key == "meta >" or key == "G"
693
 
            #      or key == ">"):
 
459
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
460
            #      or key == u">"):
694
461
            #    pass            # xxx end-of-buffer
695
 
            #elif (key == "home" or key == "meta <" or key == "g"
696
 
            #      or key == "<"):
 
462
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
463
            #      or key == u"<"):
697
464
            #    pass            # xxx beginning-of-buffer
698
 
            #elif key == "ctrl e" or key == "$":
 
465
            #elif key == u"ctrl e" or key == u"$":
699
466
            #    pass            # xxx move-end-of-line
700
 
            #elif key == "ctrl a" or key == "^":
 
467
            #elif key == u"ctrl a" or key == u"^":
701
468
            #    pass            # xxx move-beginning-of-line
702
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
469
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
703
470
            #    pass            # xxx left
704
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
471
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
705
472
            #    pass            # xxx right
706
 
            #elif key == "a":
 
473
            #elif key == u"a":
707
474
            #    pass            # scroll up log
708
 
            #elif key == "z":
 
475
            #elif key == u"z":
709
476
            #    pass            # scroll down log
710
477
            elif self.topwidget.selectable():
711
478
                self.topwidget.keypress(self.size, key)
715
482
ui = UserInterface()
716
483
try:
717
484
    ui.run()
718
 
except KeyboardInterrupt:
719
 
    ui.screen.stop()
720
 
except Exception as e:
721
 
    ui.log_message(str(e))
 
485
except:
722
486
    ui.screen.stop()
723
487
    raise