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  • Committer: Teddy Hogeborn
  • Date: 2009-11-09 07:35:16 UTC
  • Revision ID: teddy@fukt.bsnet.se-20091109073516-v1vem352uz0vuwrd
* dbus-mandos.conf: New; to be copied to
                    "/etc/dbus-1/system.d/mandos.conf".

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1
 
#!/usr/bin/python3 -bbI
 
1
#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
3
 
#
4
 
# Mandos Monitor - Control and monitor the Mandos server
5
 
#
6
 
# Copyright © 2009-2019 Teddy Hogeborn
7
 
# Copyright © 2009-2019 Björn Påhlsson
8
 
#
9
 
# This file is part of Mandos.
10
 
#
11
 
# Mandos is free software: you can redistribute it and/or modify it
12
 
# under the terms of the GNU General Public License as published by
13
 
# the Free Software Foundation, either version 3 of the License, or
14
 
# (at your option) any later version.
15
 
#
16
 
#     Mandos is distributed in the hope that it will be useful, but
17
 
#     WITHOUT ANY WARRANTY; without even the implied warranty of
18
 
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19
 
#     GNU General Public License for more details.
20
 
#
21
 
# You should have received a copy of the GNU General Public License
22
 
# along with Mandos.  If not, see <http://www.gnu.org/licenses/>.
23
 
#
24
 
# Contact the authors at <mandos@recompile.se>.
25
 
#
26
3
 
27
 
from __future__ import (division, absolute_import, print_function,
28
 
                        unicode_literals)
29
 
try:
30
 
    from future_builtins import *
31
 
except ImportError:
32
 
    pass
 
4
from __future__ import division, absolute_import, with_statement
33
5
 
34
6
import sys
35
 
import os
36
 
import warnings
37
 
import datetime
38
 
import locale
39
 
import logging
 
7
import signal
40
8
 
41
9
import urwid.curses_display
42
10
import urwid
43
11
 
44
12
from dbus.mainloop.glib import DBusGMainLoop
45
 
from gi.repository import GLib
 
13
import gobject
46
14
 
47
15
import dbus
48
16
 
49
 
if sys.version_info.major == 2:
50
 
    __metaclass__ = type
51
 
    str = unicode
52
 
 
53
 
log = logging.getLogger(os.path.basename(sys.argv[0]))
54
 
logging.basicConfig(level="NOTSET", # Show all messages
55
 
                    format="%(message)s") # Show basic log messages
56
 
 
57
 
logging.captureWarnings(True)   # Show warnings via the logging system
58
 
 
59
 
locale.setlocale(locale.LC_ALL, "")
60
 
 
61
 
logging.getLogger("dbus.proxies").setLevel(logging.CRITICAL)
 
17
import UserList
62
18
 
63
19
# Some useful constants
64
 
domain = "se.recompile"
65
 
server_interface = domain + ".Mandos"
66
 
client_interface = domain + ".Mandos.Client"
67
 
version = "1.8.13"
68
 
 
69
 
try:
70
 
    dbus.OBJECT_MANAGER_IFACE
71
 
except AttributeError:
72
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
73
 
 
74
 
 
75
 
def isoformat_to_datetime(iso):
76
 
    "Parse an ISO 8601 date string to a datetime.datetime()"
77
 
    if not iso:
78
 
        return None
79
 
    d, t = iso.split("T", 1)
80
 
    year, month, day = d.split("-", 2)
81
 
    hour, minute, second = t.split(":", 2)
82
 
    second, fraction = divmod(float(second), 1)
83
 
    return datetime.datetime(int(year),
84
 
                             int(month),
85
 
                             int(day),
86
 
                             int(hour),
87
 
                             int(minute),
88
 
                             int(second),            # Whole seconds
89
 
                             int(fraction*1000000))  # Microseconds
90
 
 
91
 
 
92
 
class MandosClientPropertyCache:
 
20
domain = 'se.bsnet.fukt'
 
21
server_interface = domain + '.Mandos'
 
22
client_interface = domain + '.Mandos.Client'
 
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)
 
32
 
 
33
class MandosClientPropertyCache(object):
93
34
    """This wraps a Mandos Client D-Bus proxy object, caches the
94
35
    properties and calls a hook function when any of them are
95
36
    changed.
96
37
    """
97
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
98
 
        self.proxy = proxy_object  # Mandos Client proxy object
99
 
        self.properties = dict() if properties is None else properties
100
 
        self.property_changed_match = (
101
 
            self.proxy.connect_to_signal("PropertiesChanged",
102
 
                                         self.properties_changed,
103
 
                                         dbus.PROPERTIES_IFACE,
104
 
                                         byte_arrays=True))
105
 
 
106
 
        if properties is None:
107
 
            self.properties.update(self.proxy.GetAll(
108
 
                client_interface,
109
 
                dbus_interface=dbus.PROPERTIES_IFACE))
110
 
 
111
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
112
 
 
113
 
    def properties_changed(self, interface, properties, invalidated):
114
 
        """This is called whenever we get a PropertiesChanged signal
115
 
        It updates the changed properties in the "properties" dict.
 
38
    def __init__(self, proxy_object=None, properties=None, *args,
 
39
                 **kwargs):
 
40
        self.proxy = proxy_object # Mandos Client proxy object
 
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)
 
58
    
 
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.
116
62
        """
117
63
        # Update properties dict with new value
118
 
        if interface == client_interface:
119
 
            self.properties.update(properties)
120
 
 
121
 
    def delete(self):
122
 
        self.property_changed_match.remove()
 
64
        self.properties[property] = value
123
65
 
124
66
 
125
67
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
126
68
    """A Mandos Client which is visible on the screen.
127
69
    """
128
 
 
 
70
    
129
71
    def __init__(self, server_proxy_object=None, update_hook=None,
130
 
                 delete_hook=None, **kwargs):
 
72
                 delete_hook=None, *args, **kwargs):
131
73
        # Called on update
132
74
        self.update_hook = update_hook
133
75
        # Called on delete
134
76
        self.delete_hook = delete_hook
135
77
        # Mandos Server proxy object
136
78
        self.server_proxy_object = server_proxy_object
137
 
 
138
 
        self._update_timer_callback_tag = None
139
 
 
 
79
        
140
80
        # The widget shown normally
141
81
        self._text_widget = urwid.Text("")
142
82
        # The widget shown when we have focus
143
83
        self._focus_text_widget = urwid.Text("")
144
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
84
        super(MandosClientWidget, self).__init__(
 
85
            update_hook=update_hook, delete_hook=delete_hook,
 
86
            *args, **kwargs)
145
87
        self.update()
146
88
        self.opened = False
147
 
 
148
 
        self.match_objects = (
149
 
            self.proxy.connect_to_signal("CheckerCompleted",
150
 
                                         self.checker_completed,
151
 
                                         client_interface,
152
 
                                         byte_arrays=True),
153
 
            self.proxy.connect_to_signal("CheckerStarted",
154
 
                                         self.checker_started,
155
 
                                         client_interface,
156
 
                                         byte_arrays=True),
157
 
            self.proxy.connect_to_signal("GotSecret",
158
 
                                         self.got_secret,
159
 
                                         client_interface,
160
 
                                         byte_arrays=True),
161
 
            self.proxy.connect_to_signal("NeedApproval",
162
 
                                         self.need_approval,
163
 
                                         client_interface,
164
 
                                         byte_arrays=True),
165
 
            self.proxy.connect_to_signal("Rejected",
166
 
                                         self.rejected,
167
 
                                         client_interface,
168
 
                                         byte_arrays=True))
169
 
        log.debug("Created client %s", self.properties["Name"])
170
 
 
171
 
    def using_timer(self, flag):
172
 
        """Call this method with True or False when timer should be
173
 
        activated or deactivated.
174
 
        """
175
 
        if flag and self._update_timer_callback_tag is None:
176
 
            # Will update the shown timer value every second
177
 
            self._update_timer_callback_tag = (
178
 
                GLib.timeout_add(1000,
179
 
                                 glib_safely(self.update_timer)))
180
 
        elif not (flag or self._update_timer_callback_tag is None):
181
 
            GLib.source_remove(self._update_timer_callback_tag)
182
 
            self._update_timer_callback_tag = None
183
 
 
184
 
    def checker_completed(self, exitstatus, condition, command):
185
 
        if exitstatus == 0:
186
 
            log.debug('Checker for client %s (command "%s")'
187
 
                      " succeeded", self.properties["Name"], command)
188
 
            self.update()
189
 
            return
190
 
        # Checker failed
191
 
        if os.WIFEXITED(condition):
192
 
            log.info('Checker for client %s (command "%s") failed'
193
 
                     " with exit code %d", self.properties["Name"],
194
 
                     command, os.WEXITSTATUS(condition))
195
 
        elif os.WIFSIGNALED(condition):
196
 
            log.info('Checker for client %s (command "%s") was'
197
 
                     " killed by signal %d", self.properties["Name"],
198
 
                     command, os.WTERMSIG(condition))
199
 
        self.update()
200
 
 
201
 
    def checker_started(self, command):
202
 
        """Server signals that a checker started."""
203
 
        log.debug('Client %s started checker "%s"',
204
 
                  self.properties["Name"], command)
205
 
 
206
 
    def got_secret(self):
207
 
        log.info("Client %s received its secret",
208
 
                 self.properties["Name"])
209
 
 
210
 
    def need_approval(self, timeout, default):
211
 
        if not default:
212
 
            message = "Client %s needs approval within %f seconds"
213
 
        else:
214
 
            message = "Client %s will get its secret in %f seconds"
215
 
        log.info(message, self.properties["Name"], timeout/1000)
216
 
 
217
 
    def rejected(self, reason):
218
 
        log.info("Client %s was rejected; reason: %s",
219
 
                 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
 
 
226
 
    def rows(self, maxcolrow, focus=False):
 
94
    
 
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)
231
 
 
 
99
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
100
    
232
101
    def current_widget(self, focus=False):
233
102
        if focus or self.opened:
234
103
            return self._focus_widget
235
104
        return self._widget
236
 
 
 
105
    
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",
246
 
                         }
247
 
 
 
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",
 
115
                          }
 
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(
257
 
                milliseconds=self.properties["ApprovalDelay"])
258
 
            last_approval_request = isoformat_to_datetime(
259
 
                self.properties["LastApprovalRequest"])
260
 
            if last_approval_request is not None:
261
 
                timer = max(timeout - (datetime.datetime.utcnow()
262
 
                                       - last_approval_request),
263
 
                            datetime.timedelta())
264
 
            else:
265
 
                timer = datetime.timedelta()
266
 
            if self.properties["ApprovedByDefault"]:
267
 
                message = "Approval in {}. (d)eny?"
268
 
            else:
269
 
                message = "Denial in {}. (a)pprove?"
270
 
            message = message.format(str(timer).rsplit(".", 1)[0])
271
 
            self.using_timer(True)
272
 
        elif self.properties["LastCheckerStatus"] != 0:
273
 
            # When checker has failed, show timer until client expires
274
 
            expires = self.properties["Expires"]
275
 
            if expires == "":
276
 
                timer = datetime.timedelta(0)
277
 
            else:
278
 
                expires = (datetime.datetime.strptime
279
 
                           (expires, "%Y-%m-%dT%H:%M:%S.%f"))
280
 
                timer = max(expires - datetime.datetime.utcnow(),
281
 
                            datetime.timedelta())
282
 
            message = ("A checker has failed! Time until client"
283
 
                       " gets disabled: {}"
284
 
                       .format(str(timer).rsplit(".", 1)[0]))
285
 
            self.using_timer(True)
286
 
        else:
287
 
            message = "enabled"
288
 
            self.using_timer(False)
289
 
        self._text = "{}{}".format(base, message)
290
 
 
 
118
        self._text = (u'name="%(name)s", enabled=%(enabled)s'
 
119
                      % self.properties)
291
120
        if not urwid.supports_unicode():
292
121
            self._text = self._text.encode("ascii", "replace")
293
 
        textlist = [("normal", self._text)]
 
122
        textlist = [(u"normal", u"BLARGH: "), (u"bold", self._text)]
294
123
        self._text_widget.set_text(textlist)
295
124
        self._focus_text_widget.set_text([(with_standout[text[0]],
296
125
                                           text[1])
303
132
        # Run update hook, if any
304
133
        if self.update_hook is not None:
305
134
            self.update_hook()
306
 
 
307
 
    def update_timer(self):
308
 
        """called by GLib. Will indefinitely loop until
309
 
        GLib.source_remove() on tag is called
310
 
        """
311
 
        self.update()
312
 
        return True             # Keep calling this
313
 
 
314
 
    def delete(self, **kwargs):
315
 
        if self._update_timer_callback_tag is not None:
316
 
            GLib.source_remove(self._update_timer_callback_tag)
317
 
            self._update_timer_callback_tag = None
318
 
        for match in self.match_objects:
319
 
            match.remove()
320
 
        self.match_objects = ()
 
135
    
 
136
    def delete(self):
321
137
        if self.delete_hook is not None:
322
138
            self.delete_hook(self)
323
 
        return super(MandosClientWidget, self).delete(**kwargs)
324
 
 
325
 
    def render(self, maxcolrow, focus=False):
 
139
    
 
140
    def render(self, (maxcol,), focus=False):
326
141
        """Render differently if we have focus.
327
142
        This overrides the method from urwid.FlowWidget"""
328
 
        return self.current_widget(focus).render(maxcolrow,
 
143
        return self.current_widget(focus).render((maxcol,),
329
144
                                                 focus=focus)
330
 
 
331
 
    def keypress(self, maxcolrow, key):
 
145
    
 
146
    def keypress(self, (maxcol,), key):
332
147
        """Handle keys.
333
148
        This overrides the method from urwid.FlowWidget"""
334
 
        if key == "+":
335
 
            self.proxy.Set(client_interface, "Enabled",
336
 
                           dbus.Boolean(True), ignore_reply=True,
337
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
338
 
        elif key == "-":
339
 
            self.proxy.Set(client_interface, "Enabled", False,
340
 
                           ignore_reply=True,
341
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
342
 
        elif key == "a":
343
 
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
344
 
                               dbus_interface=client_interface,
345
 
                               ignore_reply=True)
346
 
        elif key == "d":
347
 
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
348
 
                               dbus_interface=client_interface,
349
 
                               ignore_reply=True)
350
 
        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"_":
351
154
            self.server_proxy_object.RemoveClient(self.proxy
352
 
                                                  .object_path,
353
 
                                                  ignore_reply=True)
354
 
        elif key == "s":
355
 
            self.proxy.Set(client_interface, "CheckerRunning",
356
 
                           dbus.Boolean(True), ignore_reply=True,
357
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
358
 
        elif key == "S":
359
 
            self.proxy.Set(client_interface, "CheckerRunning",
360
 
                           dbus.Boolean(False), ignore_reply=True,
361
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
362
 
        elif key == "C":
363
 
            self.proxy.CheckedOK(dbus_interface=client_interface,
364
 
                                 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()
365
162
        # xxx
366
 
#         elif key == "p" or key == "=":
 
163
#         elif key == u"p" or key == "=":
367
164
#             self.proxy.pause()
368
 
#         elif key == "u" or key == ":":
 
165
#         elif key == u"u" or key == ":":
369
166
#             self.proxy.unpause()
370
 
#         elif key == "RET":
 
167
#         elif key == u"RET":
371
168
#             self.open()
372
169
        else:
373
170
            return key
374
 
 
375
 
    def properties_changed(self, interface, properties, invalidated):
376
 
        """Call self.update() if any properties changed.
 
171
    
 
172
    def property_changed(self, property=None, value=None,
 
173
                         *args, **kwargs):
 
174
        """Call self.update() if old value is not new value.
377
175
        This overrides the method from MandosClientPropertyCache"""
378
 
        old_values = {key: self.properties.get(key)
379
 
                      for key in properties.keys()}
380
 
        super(MandosClientWidget, self).properties_changed(
381
 
            interface, properties, invalidated)
382
 
        if any(old_values[key] != self.properties.get(key)
383
 
               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:
384
181
            self.update()
385
182
 
386
183
 
387
 
def glib_safely(func, retval=True):
388
 
    def safe_func(*args, **kwargs):
389
 
        try:
390
 
            return func(*args, **kwargs)
391
 
        except Exception:
392
 
            log.exception("")
393
 
            return retval
394
 
    return safe_func
395
 
 
396
 
 
397
184
class ConstrainedListBox(urwid.ListBox):
398
185
    """Like a normal urwid.ListBox, but will consume all "up" or
399
186
    "down" key presses, thus not allowing any containing widgets to
400
187
    use them as an excuse to shift focus away from this widget.
401
188
    """
402
 
    def keypress(self, *args, **kwargs):
403
 
        ret = (super(ConstrainedListBox, self)
404
 
               .keypress(*args, **kwargs))
405
 
        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"):
406
192
            return
407
193
        return ret
408
194
 
409
195
 
410
 
class UserInterface:
 
196
class UserInterface(object):
411
197
    """This is the entire user interface - the whole screen
412
198
    with boxes, lists of client widgets, etc.
413
199
    """
414
200
    def __init__(self, max_log_length=1000):
415
201
        DBusGMainLoop(set_as_default=True)
416
 
 
 
202
        
417
203
        self.screen = urwid.curses_display.Screen()
418
 
 
 
204
        
419
205
        self.screen.register_palette((
420
 
                ("normal",
421
 
                 "default", "default", None),
422
 
                ("bold",
423
 
                 "bold", "default", "bold"),
424
 
                ("underline-blink",
425
 
                 "underline,blink", "default", "underline,blink"),
426
 
                ("standout",
427
 
                 "standout", "default", "standout"),
428
 
                ("bold-underline-blink",
429
 
                 "bold,underline,blink", "default",
430
 
                 "bold,underline,blink"),
431
 
                ("bold-standout",
432
 
                 "bold,standout", "default", "bold,standout"),
433
 
                ("underline-blink-standout",
434
 
                 "underline,blink,standout", "default",
435
 
                 "underline,blink,standout"),
436
 
                ("bold-underline-blink-standout",
437
 
                 "bold,underline,blink,standout", "default",
438
 
                 "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")),
439
223
                ))
440
 
 
 
224
        
441
225
        if urwid.supports_unicode():
442
 
            self.divider = "─"  # \u2500
 
226
            #self.divider = u"─" # \u2500
 
227
            self.divider = u"━" # \u2501
443
228
        else:
444
 
            self.divider = "_"  # \u005f
445
 
 
 
229
            #self.divider = u"-" # \u002d
 
230
            self.divider = u"_" # \u005f
 
231
        
446
232
        self.screen.start()
447
 
 
 
233
        
448
234
        self.size = self.screen.get_cols_rows()
449
 
 
 
235
        
450
236
        self.clients = urwid.SimpleListWalker([])
451
237
        self.clients_dict = {}
452
 
 
 
238
        
453
239
        # We will add Text widgets to this list
454
 
        self.log = urwid.SimpleListWalker([])
 
240
        self.log = []
455
241
        self.max_log_length = max_log_length
456
 
 
 
242
        
457
243
        # We keep a reference to the log widget so we can remove it
458
244
        # from the ListWalker without it getting destroyed
459
245
        self.logbox = ConstrainedListBox(self.log)
460
 
 
 
246
        
461
247
        # This keeps track of whether self.uilist currently has
462
248
        # self.logbox in it or not
463
249
        self.log_visible = True
464
 
        self.log_wrap = "any"
465
 
 
466
 
        self.loghandler = UILogHandler(self)
467
 
 
 
250
        self.log_wrap = u"any"
 
251
        
468
252
        self.rebuild()
469
 
        self.add_log_line(("bold",
470
 
                           "Mandos Monitor version " + version))
471
 
        self.add_log_line(("bold", "q: Quit  ?: Help"))
472
 
 
473
 
        self.busname = domain + ".Mandos"
474
 
        self.main_loop = GLib.MainLoop()
475
 
 
476
 
    def client_not_found(self, key_id, address):
477
 
        log.info("Client with address %s and key ID %s could"
478
 
                 " not be found", address, key_id)
479
 
 
 
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")
 
257
        
 
258
        self.busname = domain + '.Mandos'
 
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)
 
295
    
480
296
    def rebuild(self):
481
297
        """This rebuilds the User Interface.
482
298
        Call this when the widget layout needs to change"""
483
299
        self.uilist = []
484
 
        # self.uilist.append(urwid.ListBox(self.clients))
485
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
486
 
                                                          clients),
487
 
                                       # header=urwid.Divider(),
 
300
        #self.uilist.append(urwid.ListBox(self.clients))
 
301
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
 
302
                                       #header=urwid.Divider(),
488
303
                                       header=None,
489
 
                                       footer=urwid.Divider(
490
 
                                           div_char=self.divider)))
 
304
                                       footer=urwid.Divider(div_char=self.divider)))
491
305
        if self.log_visible:
492
306
            self.uilist.append(self.logbox)
 
307
            pass
493
308
        self.topwidget = urwid.Pile(self.uilist)
494
 
 
495
 
    def add_log_line(self, markup):
 
309
    
 
310
    def log_message(self, markup):
 
311
        """Add a log message to the log buffer."""
496
312
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
497
 
        if self.max_log_length:
498
 
            if len(self.log) > self.max_log_length:
499
 
                del self.log[0:(len(self.log) - self.max_log_length)]
500
 
        self.logbox.set_focus(len(self.logbox.body.contents)-1,
501
 
                              coming_from="above")
502
 
        self.refresh()
503
 
 
 
313
        if (self.max_log_length
 
314
            and len(self.log) > self.max_log_length):
 
315
            del self.log[0:len(self.log)-self.max_log_length-1]
 
316
    
504
317
    def toggle_log_display(self):
505
318
        """Toggle visibility of the log buffer."""
506
319
        self.log_visible = not self.log_visible
507
320
        self.rebuild()
508
 
        log.debug("Log visibility changed to: %s", self.log_visible)
509
 
 
 
321
        self.log_message(u"Log visibility changed to: "
 
322
                         + unicode(self.log_visible))
 
323
    
510
324
    def change_log_display(self):
511
325
        """Change type of log display.
512
326
        Currently, this toggles wrapping of text lines."""
513
 
        if self.log_wrap == "clip":
514
 
            self.log_wrap = "any"
 
327
        if self.log_wrap == u"clip":
 
328
            self.log_wrap = u"any"
515
329
        else:
516
 
            self.log_wrap = "clip"
 
330
            self.log_wrap = u"clip"
517
331
        for textwidget in self.log:
518
332
            textwidget.set_wrap_mode(self.log_wrap)
519
 
        log.debug("Wrap mode: %s", self.log_wrap)
520
 
 
521
 
    def find_and_remove_client(self, path, interfaces):
522
 
        """Find a client by its object path and remove it.
523
 
 
524
 
        This is connected to the InterfacesRemoved signal from the
 
333
        self.log_message(u"Wrap mode: " + self.log_wrap)
 
334
    
 
335
    def find_and_remove_client(self, path, name):
 
336
        """Find an client from its object path and remove it.
 
337
        
 
338
        This is connected to the ClientRemoved signal from the
525
339
        Mandos server object."""
526
 
        if client_interface not in interfaces:
527
 
            # Not a Mandos client object; ignore
528
 
            return
529
340
        try:
530
341
            client = self.clients_dict[path]
531
342
        except KeyError:
532
343
            # not found?
533
 
            log.warning("Unknown client %s removed", path)
534
 
            return
535
 
        client.delete()
536
 
 
537
 
    def add_new_client(self, path, ifs_and_props):
538
 
        """Find a client by its object path and remove it.
539
 
 
540
 
        This is connected to the InterfacesAdded signal from the
541
 
        Mandos server object.
542
 
        """
543
 
        if client_interface not in ifs_and_props:
544
 
            # Not a Mandos client object; ignore
545
 
            return
 
344
            return
 
345
        self.remove_client(client, path)
 
346
    
 
347
    def add_new_client(self, path, properties):
546
348
        client_proxy_object = self.bus.get_object(self.busname, path)
547
 
        self.add_client(MandosClientWidget(
548
 
            server_proxy_object=self.mandos_serv,
549
 
            proxy_object=client_proxy_object,
550
 
            update_hook=self.refresh,
551
 
            delete_hook=self.remove_client,
552
 
            properties=dict(ifs_and_props[client_interface])),
 
349
        self.add_client(MandosClientWidget(server_proxy_object
 
350
                                           =self.mandos_serv,
 
351
                                           proxy_object
 
352
                                           =client_proxy_object,
 
353
                                           properties=properties,
 
354
                                           update_hook
 
355
                                           =self.refresh,
 
356
                                           delete_hook
 
357
                                           =self.remove_client),
553
358
                        path=path)
554
 
 
 
359
    
555
360
    def add_client(self, client, path=None):
556
361
        self.clients.append(client)
557
362
        if path is None:
558
363
            path = client.proxy.object_path
559
364
        self.clients_dict[path] = client
560
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
365
        self.clients.sort(None, lambda c: c.properties[u"name"])
561
366
        self.refresh()
562
 
 
 
367
    
563
368
    def remove_client(self, client, path=None):
564
369
        self.clients.remove(client)
565
370
        if path is None:
566
371
            path = client.proxy.object_path
567
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()
568
378
        self.refresh()
569
 
 
 
379
    
570
380
    def refresh(self):
571
381
        """Redraw the screen"""
572
382
        canvas = self.topwidget.render(self.size, focus=True)
573
383
        self.screen.draw_screen(self.size, canvas)
574
 
 
 
384
    
575
385
    def run(self):
576
386
        """Start the main loop and exit when it's done."""
577
 
        log.addHandler(self.loghandler)
578
 
        self.orig_log_propagate = log.propagate
579
 
        log.propagate = False
580
 
        self.orig_log_level = log.level
581
 
        log.setLevel("INFO")
582
 
        self.bus = dbus.SystemBus()
583
 
        mandos_dbus_objc = self.bus.get_object(
584
 
            self.busname, "/", follow_name_owner_changes=True)
585
 
        self.mandos_serv = dbus.Interface(
586
 
            mandos_dbus_objc, dbus_interface=server_interface)
587
 
        try:
588
 
            mandos_clients = (self.mandos_serv
589
 
                              .GetAllClientsWithProperties())
590
 
            if not mandos_clients:
591
 
                log.warning("Note: Server has no clients.")
592
 
        except dbus.exceptions.DBusException:
593
 
            log.warning("Note: No Mandos server running.")
594
 
            mandos_clients = dbus.Dictionary()
595
 
 
596
 
        (self.mandos_serv
597
 
         .connect_to_signal("InterfacesRemoved",
598
 
                            self.find_and_remove_client,
599
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
600
 
                            byte_arrays=True))
601
 
        (self.mandos_serv
602
 
         .connect_to_signal("InterfacesAdded",
603
 
                            self.add_new_client,
604
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
605
 
                            byte_arrays=True))
606
 
        (self.mandos_serv
607
 
         .connect_to_signal("ClientNotFound",
608
 
                            self.client_not_found,
609
 
                            dbus_interface=server_interface,
610
 
                            byte_arrays=True))
611
 
        for path, client in mandos_clients.items():
612
 
            client_proxy_object = self.bus.get_object(self.busname,
613
 
                                                      path)
614
 
            self.add_client(MandosClientWidget(
615
 
                server_proxy_object=self.mandos_serv,
616
 
                proxy_object=client_proxy_object,
617
 
                properties=client,
618
 
                update_hook=self.refresh,
619
 
                delete_hook=self.remove_client),
620
 
                            path=path)
621
 
 
622
387
        self.refresh()
623
 
        self._input_callback_tag = (
624
 
            GLib.io_add_watch(
625
 
                GLib.IOChannel.unix_new(sys.stdin.fileno()),
626
 
                GLib.PRIORITY_DEFAULT, GLib.IO_IN,
627
 
                glib_safely(self.process_input)))
 
388
        self._input_callback_tag = (gobject.io_add_watch
 
389
                                    (sys.stdin.fileno(),
 
390
                                     gobject.IO_IN,
 
391
                                     self.process_input))
628
392
        self.main_loop.run()
629
393
        # Main loop has finished, we should close everything now
630
 
        GLib.source_remove(self._input_callback_tag)
631
 
        with warnings.catch_warnings():
632
 
            warnings.simplefilter("ignore", BytesWarning)
633
 
            self.screen.stop()
634
 
 
 
394
        gobject.source_remove(self._input_callback_tag)
 
395
        self.screen.stop()
 
396
    
635
397
    def stop(self):
636
398
        self.main_loop.quit()
637
 
        log.removeHandler(self.loghandler)
638
 
        log.propagate = self.orig_log_propagate
639
 
 
 
399
    
640
400
    def process_input(self, source, condition):
641
401
        keys = self.screen.get_input()
642
 
        translations = {"ctrl n": "down",       # Emacs
643
 
                        "ctrl p": "up",         # Emacs
644
 
                        "ctrl v": "page down",  # Emacs
645
 
                        "meta v": "page up",    # Emacs
646
 
                        " ": "page down",       # less
647
 
                        "f": "page down",       # less
648
 
                        "b": "page up",         # less
649
 
                        "j": "down",            # vi
650
 
                        "k": "up",              # vi
651
 
                        }
 
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
 
411
                         }
652
412
        for key in keys:
653
413
            try:
654
414
                key = translations[key]
655
415
            except KeyError:    # :-)
656
416
                pass
657
 
 
658
 
            if key == "q" or key == "Q":
 
417
            
 
418
            if key == u"q" or key == u"Q":
659
419
                self.stop()
660
420
                break
661
 
            elif key == "window resize":
 
421
            elif key == u"window resize":
662
422
                self.size = self.screen.get_cols_rows()
663
423
                self.refresh()
664
 
            elif key == "ctrl l":
665
 
                self.screen.clear()
 
424
            elif key == u"\f":  # Ctrl-L
666
425
                self.refresh()
667
 
            elif key == "l" or key == "D":
 
426
            elif key == u"l" or key == u"D":
668
427
                self.toggle_log_display()
669
428
                self.refresh()
670
 
            elif key == "w" or key == "i":
 
429
            elif key == u"w" or key == u"i":
671
430
                self.change_log_display()
672
431
                self.refresh()
673
 
            elif key == "?" or key == "f1" or key == "esc":
674
 
                if not self.log_visible:
675
 
                    self.log_visible = True
676
 
                    self.rebuild()
677
 
                self.add_log_line(("bold",
678
 
                                   "  ".join(("q: Quit",
679
 
                                              "?: Help",
680
 
                                              "l: Log window toggle",
681
 
                                              "TAB: Switch window",
682
 
                                              "w: Wrap (log lines)",
683
 
                                              "v: Toggle verbose log",
684
 
                                   ))))
685
 
                self.add_log_line(("bold",
686
 
                                   "  ".join(("Clients:",
687
 
                                              "+: Enable",
688
 
                                              "-: Disable",
689
 
                                              "R: Remove",
690
 
                                              "s: Start new checker",
691
 
                                              "S: Stop checker",
692
 
                                              "C: Checker OK",
693
 
                                              "a: Approve",
694
 
                                              "d: Deny",
695
 
                                   ))))
 
432
            elif key == u"?" or key == u"f1":
 
433
                self.log_message(u"Help!")
696
434
                self.refresh()
697
 
            elif key == "tab":
 
435
            elif key == u"tab":
698
436
                if self.topwidget.get_focus() is self.logbox:
699
437
                    self.topwidget.set_focus(0)
700
438
                else:
701
439
                    self.topwidget.set_focus(self.logbox)
702
440
                self.refresh()
703
 
            elif key == "v":
704
 
                if log.level < logging.INFO:
705
 
                    log.setLevel(logging.INFO)
706
 
                    log.info("Verbose mode: Off")
707
 
                else:
708
 
                    log.setLevel(logging.NOTSET)
709
 
                    log.info("Verbose mode: On")
710
 
            # elif (key == "end" or key == "meta >" or key == "G"
711
 
            #       or key == ">"):
712
 
            #     pass            # xxx end-of-buffer
713
 
            # elif (key == "home" or key == "meta <" or key == "g"
714
 
            #       or key == "<"):
715
 
            #     pass            # xxx beginning-of-buffer
716
 
            # elif key == "ctrl e" or key == "$":
717
 
            #     pass            # xxx move-end-of-line
718
 
            # elif key == "ctrl a" or key == "^":
719
 
            #     pass            # xxx move-beginning-of-line
720
 
            # elif key == "ctrl b" or key == "meta (" or key == "h":
721
 
            #     pass            # xxx left
722
 
            # elif key == "ctrl f" or key == "meta )" or key == "l":
723
 
            #     pass            # xxx right
724
 
            # elif key == "a":
725
 
            #     pass            # scroll up log
726
 
            # elif key == "z":
727
 
            #     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
728
459
            elif self.topwidget.selectable():
729
460
                self.topwidget.keypress(self.size, key)
730
461
                self.refresh()
731
462
        return True
732
463
 
733
 
 
734
 
class UILogHandler(logging.Handler):
735
 
    def __init__(self, ui, *args, **kwargs):
736
 
        self.ui = ui
737
 
        super(UILogHandler, self).__init__(*args, **kwargs)
738
 
        self.setFormatter(
739
 
            logging.Formatter("%(asctime)s: %(message)s"))
740
 
    def emit(self, record):
741
 
        msg = self.format(record)
742
 
        if record.levelno > logging.INFO:
743
 
            msg = ("bold", msg)
744
 
        self.ui.add_log_line(msg)
745
 
 
746
 
 
747
464
ui = UserInterface()
748
465
try:
749
466
    ui.run()
750
 
except KeyboardInterrupt:
751
 
    with warnings.catch_warnings():
752
 
        warnings.filterwarnings("ignore", "", BytesWarning)
753
 
        ui.screen.stop()
754
 
except Exception:
755
 
    with warnings.catch_warnings():
756
 
        warnings.filterwarnings("ignore", "", BytesWarning)
757
 
        ui.screen.stop()
 
467
except:
 
468
    ui.screen.stop()
758
469
    raise