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  • Committer: Teddy Hogeborn
  • Date: 2009-11-05 19:16:46 UTC
  • Revision ID: teddy@fukt.bsnet.se-20091105191646-5l7bkq5h4wkh3huh
* mandos-monitor: New prototype version of interactive server
                  administraton tool using D-Bus.

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#!/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 = "1.6.6"
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):
 
40
        # Type conversion mapping
 
41
        self.type_map = {
 
42
            dbus.ObjectPath: unicode,
 
43
            dbus.ByteArray: str,
 
44
            dbus.Signature: unicode,
 
45
            dbus.Byte: chr,
 
46
            dbus.Int16: int,
 
47
            dbus.UInt16: int,
 
48
            dbus.Int32: int,
 
49
            dbus.UInt32: int,
 
50
            dbus.Int64: int,
 
51
            dbus.UInt64: int,
 
52
            dbus.Dictionary: dict,
 
53
            dbus.Array: list,
 
54
            dbus.String: unicode,
 
55
            dbus.Boolean: bool,
 
56
            dbus.Double: float,
 
57
            dbus.Struct: tuple,
 
58
            }
87
59
        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))
 
60
        
 
61
        if properties is None:
 
62
            self.properties = dict()
 
63
        else:
 
64
            self.properties = dict(self.convert_property(prop, val)
 
65
                                   for prop, val in
 
66
                                   properties.iteritems())
 
67
        self.proxy.connect_to_signal("PropertyChanged",
 
68
                                     self.property_changed,
 
69
                                     client_interface,
 
70
                                     byte_arrays=True)
94
71
        
95
72
        if properties is None:
96
73
            self.properties.update(
 
74
                self.convert_property(prop, val)
 
75
                for prop, val in
97
76
                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)
106
 
    
 
77
                                  dbus_interface =
 
78
                                  dbus.PROPERTIES_IFACE).iteritems())
 
79
        super(MandosClientPropertyCache, self).__init__(
 
80
            proxy_object=proxy_object,
 
81
            properties=properties, *args, **kwargs)
 
82
    
 
83
    def convert_property(self, property, value):
 
84
        """This converts the arguments from a D-Bus signal, which are
 
85
        D-Bus types, into normal Python types, using a conversion
 
86
        function from "self.type_map".
 
87
        """
 
88
        property_name = unicode(property) # Always a dbus.String
 
89
        if isinstance(value, dbus.UTF8String):
 
90
            # Should not happen, but prepare for it anyway
 
91
            value = dbus.String(str(value).decode("utf-8"))
 
92
        try:
 
93
            convfunc = self.type_map[type(value)]
 
94
        except KeyError:
 
95
            # Unknown type, return unmodified
 
96
            return property_name, value
 
97
        return property_name, convfunc(value)
107
98
    def property_changed(self, property=None, value=None):
108
99
        """This is called whenever we get a PropertyChanged signal
109
100
        It updates the changed property in the "properties" dict.
110
101
        """
 
102
        # Convert name and value
 
103
        property_name, cvalue = self.convert_property(property, value)
111
104
        # Update properties dict with new value
112
 
        self.properties[property] = value
113
 
    
114
 
    def delete(self):
115
 
        self.property_changed_match.remove()
 
105
        self.properties[property_name] = cvalue
116
106
 
117
107
 
118
108
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
120
110
    """
121
111
    
122
112
    def __init__(self, server_proxy_object=None, update_hook=None,
123
 
                 delete_hook=None, logger=None, **kwargs):
 
113
                 delete_hook=None, *args, **kwargs):
124
114
        # Called on update
125
115
        self.update_hook = update_hook
126
116
        # Called on delete
127
117
        self.delete_hook = delete_hook
128
118
        # Mandos Server proxy object
129
119
        self.server_proxy_object = server_proxy_object
130
 
        # Logger
131
 
        self.logger = logger
132
 
        
133
 
        self._update_timer_callback_tag = None
134
120
        
135
121
        # The widget shown normally
136
122
        self._text_widget = urwid.Text("")
137
123
        # The widget shown when we have focus
138
124
        self._focus_text_widget = urwid.Text("")
139
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
125
        super(MandosClientWidget, self).__init__(
 
126
            update_hook=update_hook, delete_hook=delete_hook,
 
127
            *args, **kwargs)
140
128
        self.update()
141
129
        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
130
    
229
131
    def selectable(self):
230
132
        """Make this a "selectable" widget.
231
133
        This overrides the method from urwid.FlowWidget."""
232
134
        return True
233
135
    
234
 
    def rows(self, maxcolrow, focus=False):
 
136
    def rows(self, (maxcol,), focus=False):
235
137
        """How many rows this widget will occupy might depend on
236
138
        whether we have focus or not.
237
139
        This overrides the method from urwid.FlowWidget"""
238
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
140
        return self.current_widget(focus).rows((maxcol,), focus=focus)
239
141
    
240
142
    def current_widget(self, focus=False):
241
143
        if focus or self.opened:
245
147
    def update(self):
246
148
        "Called when what is visible on the screen should be updated."
247
149
        # 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",
 
150
        with_standout = { u"normal": u"standout",
 
151
                          u"bold": u"bold-standout",
 
152
                          u"underline-blink":
 
153
                              u"underline-blink-standout",
 
154
                          u"bold-underline-blink":
 
155
                              u"bold-underline-blink-standout",
254
156
                          }
255
157
        
256
158
        # 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
 
        
 
159
        self._text = (u'name="%(name)s", enabled=%(enabled)s'
 
160
                      % self.properties)
300
161
        if not urwid.supports_unicode():
301
162
            self._text = self._text.encode("ascii", "replace")
302
 
        textlist = [("normal", self._text)]
 
163
        textlist = [(u"normal", u"BLÄRGH: "), (u"bold", self._text)]
303
164
        self._text_widget.set_text(textlist)
304
165
        self._focus_text_widget.set_text([(with_standout[text[0]],
305
166
                                           text[1])
313
174
        if self.update_hook is not None:
314
175
            self.update_hook()
315
176
    
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 = ()
 
177
    def delete(self):
329
178
        if self.delete_hook is not None:
330
179
            self.delete_hook(self)
331
 
        return super(MandosClientWidget, self).delete(**kwargs)
332
180
    
333
 
    def render(self, maxcolrow, focus=False):
 
181
    def render(self, (maxcol,), focus=False):
334
182
        """Render differently if we have focus.
335
183
        This overrides the method from urwid.FlowWidget"""
336
 
        return self.current_widget(focus).render(maxcolrow,
 
184
        return self.current_widget(focus).render((maxcol,),
337
185
                                                 focus=focus)
338
186
    
339
 
    def keypress(self, maxcolrow, key):
 
187
    def keypress(self, (maxcol,), key):
340
188
        """Handle keys.
341
189
        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":
 
190
        if key == u"e" or key == u"+":
 
191
            self.proxy.Enable()
 
192
        elif key == u"d" or key == u"-":
 
193
            self.proxy.Disable()
 
194
        elif key == u"r" or key == u"_":
357
195
            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)
 
196
                                                  .object_path)
 
197
        elif key == u"s":
 
198
            self.proxy.StartChecker()
 
199
        elif key == u"c":
 
200
            self.proxy.StopChecker()
 
201
        elif key == u"S":
 
202
            self.proxy.CheckedOK()
369
203
        # xxx
370
 
#         elif key == "p" or key == "=":
 
204
#         elif key == u"p" or key == "=":
371
205
#             self.proxy.pause()
372
 
#         elif key == "u" or key == ":":
 
206
#         elif key == u"u" or key == ":":
373
207
#             self.proxy.unpause()
374
 
#         elif key == "RET":
 
208
#         elif key == u"RET":
375
209
#             self.open()
376
210
        else:
377
211
            return key
378
212
    
379
 
    def property_changed(self, property=None, **kwargs):
 
213
    def property_changed(self, property=None, value=None,
 
214
                         *args, **kwargs):
380
215
        """Call self.update() if old value is not new value.
381
216
        This overrides the method from MandosClientPropertyCache"""
382
 
        property_name = str(property)
 
217
        property_name = unicode(property)
383
218
        old_value = self.properties.get(property_name)
384
219
        super(MandosClientWidget, self).property_changed(
385
 
            property=property, **kwargs)
 
220
            property=property, value=value, *args, **kwargs)
386
221
        if self.properties.get(property_name) != old_value:
387
222
            self.update()
388
223
 
389
224
 
390
 
class ConstrainedListBox(urwid.ListBox):
391
 
    """Like a normal urwid.ListBox, but will consume all "up" or
392
 
    "down" key presses, thus not allowing any containing widgets to
393
 
    use them as an excuse to shift focus away from this widget.
394
 
    """
395
 
    def keypress(self, *args, **kwargs):
396
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
397
 
        if ret in ("up", "down"):
398
 
            return
399
 
        return ret
400
 
 
401
 
 
402
225
class UserInterface(object):
403
226
    """This is the entire user interface - the whole screen
404
227
    with boxes, lists of client widgets, etc.
405
228
    """
406
 
    def __init__(self, max_log_length=1000):
407
 
        DBusGMainLoop(set_as_default=True)
 
229
    def __init__(self):
 
230
        DBusGMainLoop(set_as_default=True )
408
231
        
409
232
        self.screen = urwid.curses_display.Screen()
410
233
        
411
234
        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"),
 
235
                (u"normal",
 
236
                 u"default", u"default", None),
 
237
                (u"bold",
 
238
                 u"default", u"default", u"bold"),
 
239
                (u"underline-blink",
 
240
                 u"default", u"default", u"underline"),
 
241
                (u"standout",
 
242
                 u"default", u"default", u"standout"),
 
243
                (u"bold-underline-blink",
 
244
                 u"default", u"default", (u"bold", u"underline")),
 
245
                (u"bold-standout",
 
246
                 u"default", u"default", (u"bold", u"standout")),
 
247
                (u"underline-blink-standout",
 
248
                 u"default", u"default", (u"underline", u"standout")),
 
249
                (u"bold-underline-blink-standout",
 
250
                 u"default", u"default", (u"bold", u"underline",
 
251
                                          u"standout")),
430
252
                ))
431
253
        
432
 
        if urwid.supports_unicode():
433
 
            self.divider = "─" # \u2500
434
 
            #self.divider = "━" # \u2501
435
 
        else:
436
 
            #self.divider = "-" # \u002d
437
 
            self.divider = "_" # \u005f
438
 
        
439
254
        self.screen.start()
440
255
        
441
256
        self.size = self.screen.get_cols_rows()
442
257
        
443
258
        self.clients = urwid.SimpleListWalker([])
444
259
        self.clients_dict = {}
445
 
        
446
 
        # We will add Text widgets to this list
447
 
        self.log = []
448
 
        self.max_log_length = max_log_length
449
 
        
450
 
        # We keep a reference to the log widget so we can remove it
451
 
        # from the ListWalker without it getting destroyed
452
 
        self.logbox = ConstrainedListBox(self.log)
453
 
        
454
 
        # This keeps track of whether self.uilist currently has
455
 
        # self.logbox in it or not
456
 
        self.log_visible = True
457
 
        self.log_wrap = "any"
458
 
        
459
 
        self.rebuild()
460
 
        self.log_message_raw(("bold",
461
 
                              "Mandos Monitor version " + version))
462
 
        self.log_message_raw(("bold",
463
 
                              "q: Quit  ?: Help"))
 
260
        self.topwidget = urwid.LineBox(urwid.ListBox(self.clients))
 
261
        #self.topwidget = urwid.ListBox(clients)
464
262
        
465
263
        self.busname = domain + '.Mandos'
466
264
        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))
472
 
    
473
 
    def rebuild(self):
474
 
        """This rebuilds the User Interface.
475
 
        Call this when the widget layout needs to change"""
476
 
        self.uilist = []
477
 
        #self.uilist.append(urwid.ListBox(self.clients))
478
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
479
 
                                                          clients),
480
 
                                       #header=urwid.Divider(),
481
 
                                       header=None,
482
 
                                       footer=
483
 
                                       urwid.Divider(div_char=
484
 
                                                     self.divider)))
485
 
        if self.log_visible:
486
 
            self.uilist.append(self.logbox)
487
 
        self.topwidget = urwid.Pile(self.uilist)
488
 
    
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):
495
 
        """Add a log message to the log buffer."""
496
 
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
497
 
        if (self.max_log_length
498
 
            and len(self.log) > self.max_log_length):
499
 
            del self.log[0:len(self.log)-self.max_log_length-1]
500
 
        self.logbox.set_focus(len(self.logbox.body.contents),
501
 
                              coming_from="above")
502
 
        self.refresh()
503
 
    
504
 
    def toggle_log_display(self):
505
 
        """Toggle visibility of the log buffer."""
506
 
        self.log_visible = not self.log_visible
507
 
        self.rebuild()
508
 
        #self.log_message("Log visibility changed to: "
509
 
        #                 + str(self.log_visible))
510
 
    
511
 
    def change_log_display(self):
512
 
        """Change type of log display.
513
 
        Currently, this toggles wrapping of text lines."""
514
 
        if self.log_wrap == "clip":
515
 
            self.log_wrap = "any"
516
 
        else:
517
 
            self.log_wrap = "clip"
518
 
        for textwidget in self.log:
519
 
            textwidget.set_wrap_mode(self.log_wrap)
520
 
        #self.log_message("Wrap mode: " + self.log_wrap)
 
265
        self.bus = dbus.SystemBus()
 
266
        mandos_dbus_objc = self.bus.get_object(
 
267
            self.busname, u"/", follow_name_owner_changes=True)
 
268
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
269
                                          dbus_interface
 
270
                                          = server_interface)
 
271
        try:
 
272
            mandos_clients = (self.mandos_serv
 
273
                              .GetAllClientsWithProperties())
 
274
        except dbus.exceptions.DBusException:
 
275
            mandos_clients = dbus.Dictionary()
 
276
        
 
277
        (self.mandos_serv
 
278
         .connect_to_signal("ClientRemoved",
 
279
                            self.find_and_remove_client,
 
280
                            dbus_interface=server_interface,
 
281
                            byte_arrays=True))
 
282
        (self.mandos_serv
 
283
         .connect_to_signal("ClientAdded",
 
284
                            self.add_new_client,
 
285
                            dbus_interface=server_interface,
 
286
                            byte_arrays=True))
 
287
        for path, client in (mandos_clients.iteritems()):
 
288
            client_proxy_object = self.bus.get_object(self.busname,
 
289
                                                      path)
 
290
            self.add_client(MandosClientWidget(server_proxy_object
 
291
                                               =self.mandos_serv,
 
292
                                               proxy_object
 
293
                                               =client_proxy_object,
 
294
                                               properties=client,
 
295
                                               update_hook
 
296
                                               =self.refresh,
 
297
                                               delete_hook
 
298
                                               =self.remove_client),
 
299
                            path=path)
521
300
    
522
301
    def find_and_remove_client(self, path, name):
523
 
        """Find a client by its object path and remove it.
 
302
        """Find an client from its object path and remove it.
524
303
        
525
304
        This is connected to the ClientRemoved signal from the
526
305
        Mandos server object."""
528
307
            client = self.clients_dict[path]
529
308
        except KeyError:
530
309
            # not found?
531
 
            self.log_message("Unknown client {0!r} ({1!r}) removed"
532
 
                             .format(name, path))
533
310
            return
534
 
        client.delete()
 
311
        self.remove_client(client, path)
535
312
    
536
 
    def add_new_client(self, path):
 
313
    def add_new_client(self, path, properties):
537
314
        client_proxy_object = self.bus.get_object(self.busname, path)
538
315
        self.add_client(MandosClientWidget(server_proxy_object
539
316
                                           =self.mandos_serv,
540
317
                                           proxy_object
541
318
                                           =client_proxy_object,
 
319
                                           properties=properties,
542
320
                                           update_hook
543
321
                                           =self.refresh,
544
322
                                           delete_hook
545
 
                                           =self.remove_client,
546
 
                                           logger
547
 
                                           =self.log_message),
 
323
                                           =self.remove_client),
548
324
                        path=path)
549
325
    
550
326
    def add_client(self, client, path=None):
552
328
        if path is None:
553
329
            path = client.proxy.object_path
554
330
        self.clients_dict[path] = client
555
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
331
        self.clients.sort(None, lambda c: c.properties[u"name"])
556
332
        self.refresh()
557
333
    
558
334
    def remove_client(self, client, path=None):
569
345
    
570
346
    def run(self):
571
347
        """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
348
        self.refresh()
619
349
        self._input_callback_tag = (gobject.io_add_watch
620
350
                                    (sys.stdin.fileno(),
630
360
    
631
361
    def process_input(self, source, condition):
632
362
        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
 
363
        translations = { u"j": u"down",
 
364
                         u"k": u"up",
642
365
                         }
643
366
        for key in keys:
644
367
            try:
646
369
            except KeyError:    # :-)
647
370
                pass
648
371
            
649
 
            if key == "q" or key == "Q":
 
372
            if key == u"q" or key == u"Q":
650
373
                self.stop()
651
374
                break
652
 
            elif key == "window resize":
 
375
            elif key == u"window resize":
653
376
                self.size = self.screen.get_cols_rows()
654
377
                self.refresh()
655
 
            elif key == "\f":  # Ctrl-L
656
 
                self.refresh()
657
 
            elif key == "l" or key == "D":
658
 
                self.toggle_log_display()
659
 
                self.refresh()
660
 
            elif key == "w" or key == "i":
661
 
                self.change_log_display()
662
 
                self.refresh()
663
 
            elif key == "?" or key == "f1" or key == "esc":
664
 
                if not self.log_visible:
665
 
                    self.log_visible = True
666
 
                    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"))))
685
 
                self.refresh()
686
 
            elif key == "tab":
687
 
                if self.topwidget.get_focus() is self.logbox:
688
 
                    self.topwidget.set_focus(0)
689
 
                else:
690
 
                    self.topwidget.set_focus(self.logbox)
691
 
                self.refresh()
692
 
            #elif (key == "end" or key == "meta >" or key == "G"
693
 
            #      or key == ">"):
694
 
            #    pass            # xxx end-of-buffer
695
 
            #elif (key == "home" or key == "meta <" or key == "g"
696
 
            #      or key == "<"):
697
 
            #    pass            # xxx beginning-of-buffer
698
 
            #elif key == "ctrl e" or key == "$":
699
 
            #    pass            # xxx move-end-of-line
700
 
            #elif key == "ctrl a" or key == "^":
701
 
            #    pass            # xxx move-beginning-of-line
702
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
703
 
            #    pass            # xxx left
704
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
705
 
            #    pass            # xxx right
706
 
            #elif key == "a":
707
 
            #    pass            # scroll up log
708
 
            #elif key == "z":
709
 
            #    pass            # scroll down log
 
378
            elif key == " ":
 
379
                self.refresh()
710
380
            elif self.topwidget.selectable():
711
381
                self.topwidget.keypress(self.size, key)
712
382
                self.refresh()
715
385
ui = UserInterface()
716
386
try:
717
387
    ui.run()
718
 
except KeyboardInterrupt:
719
 
    ui.screen.stop()
720
 
except Exception as e:
721
 
    ui.log_message(str(e))
 
388
except:
722
389
    ui.screen.stop()
723
390
    raise