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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 © 2009-2016 Teddy Hogeborn
7
 
# Copyright © 2009-2016 Björn Påhlsson
8
 
9
 
# This program is free software: you can redistribute it and/or modify
10
 
# it under the terms of the GNU General Public License as published by
11
 
# the Free Software Foundation, either version 3 of the License, or
12
 
# (at your option) any later version.
13
 
#
14
 
#     This program is distributed in the hope that it will be useful,
15
 
#     but WITHOUT ANY WARRANTY; without even the implied warranty of
16
 
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17
 
#     GNU General Public License for more details.
18
 
19
 
# You should have received a copy of the GNU General Public License
20
 
# along with this program.  If not, see
21
 
# <http://www.gnu.org/licenses/>.
22
 
23
 
# Contact the authors at <mandos@recompile.se>.
24
 
25
3
 
26
 
from __future__ import (division, absolute_import, print_function,
27
 
                        unicode_literals)
28
 
try:
29
 
    from future_builtins import *
30
 
except ImportError:
31
 
    pass
 
4
from __future__ import division, absolute_import, with_statement
32
5
 
33
6
import sys
34
7
import os
 
8
import signal
35
9
 
36
10
import datetime
37
11
 
39
13
import urwid
40
14
 
41
15
from dbus.mainloop.glib import DBusGMainLoop
42
 
from gi.repository import GLib
 
16
import gobject
43
17
 
44
18
import dbus
45
19
 
 
20
import UserList
 
21
 
46
22
import locale
47
23
 
48
 
if sys.version_info.major == 2:
49
 
    str = unicode
50
 
 
51
 
locale.setlocale(locale.LC_ALL, '')
 
24
locale.setlocale(locale.LC_ALL, u'')
52
25
 
53
26
import logging
54
27
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
55
28
 
56
29
# Some useful constants
57
 
domain = 'se.recompile'
 
30
domain = 'se.bsnet.fukt'
58
31
server_interface = domain + '.Mandos'
59
32
client_interface = domain + '.Mandos.Client'
60
 
version = "1.7.10"
61
 
 
62
 
try:
63
 
    dbus.OBJECT_MANAGER_IFACE
64
 
except AttributeError:
65
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
33
version = "1.0.15"
 
34
 
 
35
# Always run in monochrome mode
 
36
urwid.curses_display.curses.has_colors = lambda : False
 
37
 
 
38
# Urwid doesn't support blinking, but we want it.  Since we have no
 
39
# use for underline on its own, we make underline also always blink.
 
40
urwid.curses_display.curses.A_UNDERLINE |= (
 
41
    urwid.curses_display.curses.A_BLINK)
66
42
 
67
43
def isoformat_to_datetime(iso):
68
44
    "Parse an ISO 8601 date string to a datetime.datetime()"
69
45
    if not iso:
70
46
        return None
71
 
    d, t = iso.split("T", 1)
72
 
    year, month, day = d.split("-", 2)
73
 
    hour, minute, second = t.split(":", 2)
 
47
    d, t = iso.split(u"T", 1)
 
48
    year, month, day = d.split(u"-", 2)
 
49
    hour, minute, second = t.split(u":", 2)
74
50
    second, fraction = divmod(float(second), 1)
75
51
    return datetime.datetime(int(year),
76
52
                             int(month),
85
61
    properties and calls a hook function when any of them are
86
62
    changed.
87
63
    """
88
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
64
    def __init__(self, proxy_object=None, *args, **kwargs):
89
65
        self.proxy = proxy_object # Mandos Client proxy object
90
 
        self.properties = dict() if properties is None else properties
91
 
        self.property_changed_match = (
92
 
            self.proxy.connect_to_signal("PropertiesChanged",
93
 
                                         self.properties_changed,
94
 
                                         dbus.PROPERTIES_IFACE,
95
 
                                         byte_arrays=True))
96
 
        
97
 
        if properties is None:
98
 
            self.properties.update(
99
 
                self.proxy.GetAll(client_interface,
100
 
                                  dbus_interface
101
 
                                  = dbus.PROPERTIES_IFACE))
102
 
        
103
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
66
        
 
67
        self.properties = dict()
 
68
        self.proxy.connect_to_signal(u"PropertyChanged",
 
69
                                     self.property_changed,
 
70
                                     client_interface,
 
71
                                     byte_arrays=True)
 
72
        
 
73
        self.properties.update(
 
74
            self.proxy.GetAll(client_interface,
 
75
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
76
 
 
77
        #XXX This break good super behaviour!
 
78
#        super(MandosClientPropertyCache, self).__init__(
 
79
#            *args, **kwargs)
104
80
    
105
 
    def properties_changed(self, interface, properties, invalidated):
106
 
        """This is called whenever we get a PropertiesChanged signal
107
 
        It updates the changed properties in the "properties" dict.
 
81
    def property_changed(self, property=None, value=None):
 
82
        """This is called whenever we get a PropertyChanged signal
 
83
        It updates the changed property in the "properties" dict.
108
84
        """
109
85
        # Update properties dict with new value
110
 
        if interface == client_interface:
111
 
            self.properties.update(properties)
112
 
    
113
 
    def delete(self):
114
 
        self.property_changed_match.remove()
 
86
        self.properties[property] = value
115
87
 
116
88
 
117
89
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
119
91
    """
120
92
    
121
93
    def __init__(self, server_proxy_object=None, update_hook=None,
122
 
                 delete_hook=None, logger=None, **kwargs):
 
94
                 delete_hook=None, logger=None, *args, **kwargs):
123
95
        # Called on update
124
96
        self.update_hook = update_hook
125
97
        # Called on delete
130
102
        self.logger = logger
131
103
        
132
104
        self._update_timer_callback_tag = None
 
105
        self.last_checker_failed = False
133
106
        
134
107
        # The widget shown normally
135
 
        self._text_widget = urwid.Text("")
 
108
        self._text_widget = urwid.Text(u"")
136
109
        # The widget shown when we have focus
137
 
        self._focus_text_widget = urwid.Text("")
138
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
110
        self._focus_text_widget = urwid.Text(u"")
 
111
        super(MandosClientWidget, self).__init__(
 
112
            update_hook=update_hook, delete_hook=delete_hook,
 
113
            *args, **kwargs)
139
114
        self.update()
140
115
        self.opened = False
141
 
        
142
 
        self.match_objects = (
143
 
            self.proxy.connect_to_signal("CheckerCompleted",
144
 
                                         self.checker_completed,
145
 
                                         client_interface,
146
 
                                         byte_arrays=True),
147
 
            self.proxy.connect_to_signal("CheckerStarted",
148
 
                                         self.checker_started,
149
 
                                         client_interface,
150
 
                                         byte_arrays=True),
151
 
            self.proxy.connect_to_signal("GotSecret",
152
 
                                         self.got_secret,
153
 
                                         client_interface,
154
 
                                         byte_arrays=True),
155
 
            self.proxy.connect_to_signal("NeedApproval",
156
 
                                         self.need_approval,
157
 
                                         client_interface,
158
 
                                         byte_arrays=True),
159
 
            self.proxy.connect_to_signal("Rejected",
160
 
                                         self.rejected,
161
 
                                         client_interface,
162
 
                                         byte_arrays=True))
163
 
        self.logger('Created client {}'
164
 
                    .format(self.properties["Name"]), level=0)
165
 
    
166
 
    def using_timer(self, flag):
167
 
        """Call this method with True or False when timer should be
168
 
        activated or deactivated.
169
 
        """
170
 
        if flag and self._update_timer_callback_tag is None:
171
 
            # Will update the shown timer value every second
172
 
            self._update_timer_callback_tag = (GLib.timeout_add
 
116
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
117
                                     self.checker_completed,
 
118
                                     client_interface,
 
119
                                     byte_arrays=True)
 
120
        self.proxy.connect_to_signal(u"CheckerStarted",
 
121
                                     self.checker_started,
 
122
                                     client_interface,
 
123
                                     byte_arrays=True)
 
124
        self.proxy.connect_to_signal(u"GotSecret",
 
125
                                     self.got_secret,
 
126
                                     client_interface,
 
127
                                     byte_arrays=True)
 
128
        self.proxy.connect_to_signal(u"NeedApproval",
 
129
                                     self.need_approval,
 
130
                                     client_interface,
 
131
                                     byte_arrays=True)
 
132
        self.proxy.connect_to_signal(u"Rejected",
 
133
                                     self.rejected,
 
134
                                     client_interface,
 
135
                                     byte_arrays=True)
 
136
        last_checked_ok = isoformat_to_datetime(self.properties
 
137
                                                ["last_checked_ok"])
 
138
        if last_checked_ok is None:
 
139
            self.last_checker_failed = True
 
140
        else:
 
141
            self.last_checker_failed = ((datetime.datetime.utcnow()
 
142
                                         - last_checked_ok)
 
143
                                        > datetime.timedelta
 
144
                                        (milliseconds=
 
145
                                         self.properties["interval"]))
 
146
        if self.last_checker_failed:
 
147
            self._update_timer_callback_tag = (gobject.timeout_add
173
148
                                               (1000,
174
149
                                                self.update_timer))
175
 
        elif not (flag or self._update_timer_callback_tag is None):
176
 
            GLib.source_remove(self._update_timer_callback_tag)
177
 
            self._update_timer_callback_tag = None
178
150
    
179
151
    def checker_completed(self, exitstatus, condition, command):
180
152
        if exitstatus == 0:
181
 
            self.logger('Checker for client {} (command "{}")'
182
 
                        ' succeeded'.format(self.properties["Name"],
183
 
                                            command), level=0)
 
153
            if self.last_checker_failed:
 
154
                self.last_checker_failed = False
 
155
                gobject.source_remove(self._update_timer_callback_tag)
 
156
                self._update_timer_callback_tag = None
 
157
            self.logger(u'Checker for client %s (command "%s")'
 
158
                        u' was successful'
 
159
                        % (self.properties[u"name"], command))
184
160
            self.update()
185
161
            return
186
162
        # Checker failed
 
163
        if not self.last_checker_failed:
 
164
            self.last_checker_failed = True
 
165
            self._update_timer_callback_tag = (gobject.timeout_add
 
166
                                               (1000,
 
167
                                                self.update_timer))
187
168
        if os.WIFEXITED(condition):
188
 
            self.logger('Checker for client {} (command "{}") failed'
189
 
                        ' with exit code {}'
190
 
                        .format(self.properties["Name"], command,
191
 
                                os.WEXITSTATUS(condition)))
 
169
            self.logger(u'Checker for client %s (command "%s")'
 
170
                        u' failed with exit code %s'
 
171
                        % (self.properties[u"name"], command,
 
172
                           os.WEXITSTATUS(condition)))
192
173
        elif os.WIFSIGNALED(condition):
193
 
            self.logger('Checker for client {} (command "{}") was'
194
 
                        ' killed by signal {}'
195
 
                        .format(self.properties["Name"], command,
196
 
                                os.WTERMSIG(condition)))
 
174
            self.logger(u'Checker for client %s (command "%s")'
 
175
                        u' was killed by signal %s'
 
176
                        % (self.properties[u"name"], command,
 
177
                           os.WTERMSIG(condition)))
 
178
        elif os.WCOREDUMP(condition):
 
179
            self.logger(u'Checker for client %s (command "%s")'
 
180
                        u' dumped core'
 
181
                        % (self.properties[u"name"], command))
 
182
        else:
 
183
            self.logger(u'Checker for client %s completed mysteriously')
197
184
        self.update()
198
185
    
199
186
    def checker_started(self, command):
200
 
        """Server signals that a checker started."""
201
 
        self.logger('Client {} started checker "{}"'
202
 
                    .format(self.properties["Name"],
203
 
                            command), level=0)
 
187
        #self.logger(u'Client %s started checker "%s"'
 
188
        #            % (self.properties[u"name"], unicode(command)))
 
189
        pass
204
190
    
205
191
    def got_secret(self):
206
 
        self.logger('Client {} received its secret'
207
 
                    .format(self.properties["Name"]))
 
192
        self.last_checker_failed = False
 
193
        self.logger(u'Client %s received its secret'
 
194
                    % self.properties[u"name"])
208
195
    
209
196
    def need_approval(self, timeout, default):
210
197
        if not default:
211
 
            message = 'Client {} needs approval within {} seconds'
 
198
            message = u'Client %s needs approval within %s seconds'
212
199
        else:
213
 
            message = 'Client {} will get its secret in {} seconds'
214
 
        self.logger(message.format(self.properties["Name"],
215
 
                                   timeout/1000))
 
200
            message = u'Client %s will get its secret in %s seconds'
 
201
        self.logger(message
 
202
                    % (self.properties[u"name"], timeout/1000))
216
203
    
217
204
    def rejected(self, reason):
218
 
        self.logger('Client {} was rejected; reason: {}'
219
 
                    .format(self.properties["Name"], reason))
 
205
        self.logger(u'Client %s was rejected; reason: %s'
 
206
                    % (self.properties[u"name"], reason))
220
207
    
221
208
    def selectable(self):
222
209
        """Make this a "selectable" widget.
223
210
        This overrides the method from urwid.FlowWidget."""
224
211
        return True
225
212
    
226
 
    def rows(self, maxcolrow, focus=False):
 
213
    def rows(self, (maxcol,), focus=False):
227
214
        """How many rows this widget will occupy might depend on
228
215
        whether we have focus or not.
229
216
        This overrides the method from urwid.FlowWidget"""
230
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
217
        return self.current_widget(focus).rows((maxcol,), focus=focus)
231
218
    
232
219
    def current_widget(self, focus=False):
233
220
        if focus or self.opened:
237
224
    def update(self):
238
225
        "Called when what is visible on the screen should be updated."
239
226
        # 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",
 
227
        with_standout = { u"normal": u"standout",
 
228
                          u"bold": u"bold-standout",
 
229
                          u"underline-blink":
 
230
                              u"underline-blink-standout",
 
231
                          u"bold-underline-blink":
 
232
                              u"bold-underline-blink-standout",
246
233
                          }
247
 
        
 
234
 
248
235
        # Rebuild focus and non-focus widgets using current properties
249
 
        
 
236
 
250
237
        # 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"]:
 
238
        base = (u'%(name)s: '
 
239
                      % {u"name": self.properties[u"name"]})
 
240
        if not self.properties[u"enabled"]:
 
241
            message = u"DISABLED"
 
242
        elif self.properties[u"approved_pending"]:
 
243
            if self.properties[u"approved_by_default"]:
 
244
                message = u"Connection established to client. (d)eny?"
 
245
            else:
 
246
                message = u"Seeks approval to send secret. (a)pprove?"
 
247
        elif self.last_checker_failed:
256
248
            timeout = datetime.timedelta(milliseconds
257
 
                                         = self.properties
258
 
                                         ["ApprovalDelay"])
259
 
            last_approval_request = isoformat_to_datetime(
260
 
                self.properties["LastApprovalRequest"])
261
 
            if last_approval_request is not None:
262
 
                timer = max(timeout - (datetime.datetime.utcnow()
263
 
                                       - last_approval_request),
264
 
                            datetime.timedelta())
265
 
            else:
266
 
                timer = datetime.timedelta()
267
 
            if self.properties["ApprovedByDefault"]:
268
 
                message = "Approval in {}. (d)eny?"
269
 
            else:
270
 
                message = "Denial in {}. (a)pprove?"
271
 
            message = message.format(str(timer).rsplit(".", 1)[0])
272
 
            self.using_timer(True)
273
 
        elif self.properties["LastCheckerStatus"] != 0:
274
 
            # When checker has failed, show timer until client expires
275
 
            expires = self.properties["Expires"]
276
 
            if expires == "":
277
 
                timer = datetime.timedelta(0)
278
 
            else:
279
 
                expires = (datetime.datetime.strptime
280
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
281
 
                timer = max(expires - datetime.datetime.utcnow(),
282
 
                            datetime.timedelta())
283
 
            message = ('A checker has failed! Time until client'
284
 
                       ' gets disabled: {}'
285
 
                       .format(str(timer).rsplit(".", 1)[0]))
286
 
            self.using_timer(True)
 
249
                                         = self.properties[u"timeout"])
 
250
            last_ok = isoformat_to_datetime(
 
251
                max((self.properties["last_checked_ok"]
 
252
                     or self.properties["created"]),
 
253
                    self.properties[u"last_enabled"]))
 
254
            timer = timeout - (datetime.datetime.utcnow() - last_ok)
 
255
            message = (u'A checker has failed! Time until client gets diabled: %s'
 
256
                           % unicode(timer).rsplit(".", 1)[0])
287
257
        else:
288
 
            message = "enabled"
289
 
            self.using_timer(False)
290
 
        self._text = "{}{}".format(base, message)
291
 
        
 
258
            message = u"enabled"
 
259
        self._text = "%s%s" % (base, message)
 
260
            
292
261
        if not urwid.supports_unicode():
293
262
            self._text = self._text.encode("ascii", "replace")
294
 
        textlist = [("normal", self._text)]
 
263
        textlist = [(u"normal", self._text)]
295
264
        self._text_widget.set_text(textlist)
296
265
        self._focus_text_widget.set_text([(with_standout[text[0]],
297
266
                                           text[1])
306
275
            self.update_hook()
307
276
    
308
277
    def update_timer(self):
309
 
        """called by GLib. Will indefinitely loop until
310
 
        GLib.source_remove() on tag is called
311
 
        """
 
278
        "called by gobject"
312
279
        self.update()
313
280
        return True             # Keep calling this
314
281
    
315
 
    def delete(self, **kwargs):
 
282
    def delete(self):
316
283
        if self._update_timer_callback_tag is not None:
317
 
            GLib.source_remove(self._update_timer_callback_tag)
 
284
            gobject.source_remove(self._update_timer_callback_tag)
318
285
            self._update_timer_callback_tag = None
319
 
        for match in self.match_objects:
320
 
            match.remove()
321
 
        self.match_objects = ()
322
286
        if self.delete_hook is not None:
323
287
            self.delete_hook(self)
324
 
        return super(MandosClientWidget, self).delete(**kwargs)
325
288
    
326
 
    def render(self, maxcolrow, focus=False):
 
289
    def render(self, (maxcol,), focus=False):
327
290
        """Render differently if we have focus.
328
291
        This overrides the method from urwid.FlowWidget"""
329
 
        return self.current_widget(focus).render(maxcolrow,
 
292
        return self.current_widget(focus).render((maxcol,),
330
293
                                                 focus=focus)
331
294
    
332
 
    def keypress(self, maxcolrow, key):
 
295
    def keypress(self, (maxcol,), key):
333
296
        """Handle keys.
334
297
        This overrides the method from urwid.FlowWidget"""
335
 
        if key == "+":
336
 
            self.proxy.Set(client_interface, "Enabled",
337
 
                           dbus.Boolean(True), ignore_reply = True,
338
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
339
 
        elif key == "-":
340
 
            self.proxy.Set(client_interface, "Enabled", False,
341
 
                           ignore_reply = True,
342
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
343
 
        elif key == "a":
 
298
        if key == u"+":
 
299
            self.proxy.Enable(dbus_interface = client_interface)
 
300
        elif key == u"-":
 
301
            self.proxy.Disable(dbus_interface = client_interface)
 
302
        elif key == u"a":
344
303
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
345
 
                               dbus_interface = client_interface,
346
 
                               ignore_reply=True)
347
 
        elif key == "d":
 
304
                               dbus_interface = client_interface)
 
305
        elif key == u"d":
348
306
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
349
 
                                  dbus_interface = client_interface,
350
 
                               ignore_reply=True)
351
 
        elif key == "R" or key == "_" or key == "ctrl k":
 
307
                                  dbus_interface = client_interface)
 
308
        elif key == u"r" or key == u"_" or key == u"ctrl k":
352
309
            self.server_proxy_object.RemoveClient(self.proxy
353
 
                                                  .object_path,
354
 
                                                  ignore_reply=True)
355
 
        elif key == "s":
356
 
            self.proxy.Set(client_interface, "CheckerRunning",
357
 
                           dbus.Boolean(True), ignore_reply = True,
358
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
359
 
        elif key == "S":
360
 
            self.proxy.Set(client_interface, "CheckerRunning",
361
 
                           dbus.Boolean(False), ignore_reply = True,
362
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
363
 
        elif key == "C":
364
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
365
 
                                 ignore_reply=True)
 
310
                                                  .object_path)
 
311
        elif key == u"s":
 
312
            self.proxy.StartChecker(dbus_interface = client_interface)
 
313
        elif key == u"S":
 
314
            self.proxy.StopChecker(dbus_interface = client_interface)
 
315
        elif key == u"C":
 
316
            self.proxy.CheckedOK(dbus_interface = client_interface)
366
317
        # xxx
367
 
#         elif key == "p" or key == "=":
 
318
#         elif key == u"p" or key == "=":
368
319
#             self.proxy.pause()
369
 
#         elif key == "u" or key == ":":
 
320
#         elif key == u"u" or key == ":":
370
321
#             self.proxy.unpause()
371
 
#         elif key == "RET":
 
322
#         elif key == u"RET":
372
323
#             self.open()
 
324
#        elif key == u"+":
 
325
#            self.proxy.Approve(True)
 
326
#        elif key == u"-":
 
327
#            self.proxy.Approve(False)
373
328
        else:
374
329
            return key
375
330
    
376
 
    def properties_changed(self, interface, properties, invalidated):
377
 
        """Call self.update() if any properties changed.
 
331
    def property_changed(self, property=None, value=None,
 
332
                         *args, **kwargs):
 
333
        """Call self.update() if old value is not new value.
378
334
        This overrides the method from MandosClientPropertyCache"""
379
 
        old_values = { key: self.properties.get(key)
380
 
                       for key in properties.keys() }
381
 
        super(MandosClientWidget, self).properties_changed(
382
 
            interface, properties, invalidated)
383
 
        if any(old_values[key] != self.properties.get(key)
384
 
               for key in old_values):
 
335
        property_name = unicode(property)
 
336
        old_value = self.properties.get(property_name)
 
337
        super(MandosClientWidget, self).property_changed(
 
338
            property=property, value=value, *args, **kwargs)
 
339
        if self.properties.get(property_name) != old_value:
385
340
            self.update()
386
341
 
387
342
 
390
345
    "down" key presses, thus not allowing any containing widgets to
391
346
    use them as an excuse to shift focus away from this widget.
392
347
    """
393
 
    def keypress(self, *args, **kwargs):
394
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
395
 
        if ret in ("up", "down"):
 
348
    def keypress(self, (maxcol, maxrow), key):
 
349
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
 
350
        if ret in (u"up", u"down"):
396
351
            return
397
352
        return ret
398
353
 
401
356
    """This is the entire user interface - the whole screen
402
357
    with boxes, lists of client widgets, etc.
403
358
    """
404
 
    def __init__(self, max_log_length=1000, log_level=1):
 
359
    def __init__(self, max_log_length=1000):
405
360
        DBusGMainLoop(set_as_default=True)
406
361
        
407
362
        self.screen = urwid.curses_display.Screen()
408
363
        
409
364
        self.screen.register_palette((
410
 
                ("normal",
411
 
                 "default", "default", None),
412
 
                ("bold",
413
 
                 "bold", "default", "bold"),
414
 
                ("underline-blink",
415
 
                 "underline,blink", "default", "underline,blink"),
416
 
                ("standout",
417
 
                 "standout", "default", "standout"),
418
 
                ("bold-underline-blink",
419
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
420
 
                ("bold-standout",
421
 
                 "bold,standout", "default", "bold,standout"),
422
 
                ("underline-blink-standout",
423
 
                 "underline,blink,standout", "default",
424
 
                 "underline,blink,standout"),
425
 
                ("bold-underline-blink-standout",
426
 
                 "bold,underline,blink,standout", "default",
427
 
                 "bold,underline,blink,standout"),
 
365
                (u"normal",
 
366
                 u"default", u"default", None),
 
367
                (u"bold",
 
368
                 u"default", u"default", u"bold"),
 
369
                (u"underline-blink",
 
370
                 u"default", u"default", u"underline"),
 
371
                (u"standout",
 
372
                 u"default", u"default", u"standout"),
 
373
                (u"bold-underline-blink",
 
374
                 u"default", u"default", (u"bold", u"underline")),
 
375
                (u"bold-standout",
 
376
                 u"default", u"default", (u"bold", u"standout")),
 
377
                (u"underline-blink-standout",
 
378
                 u"default", u"default", (u"underline", u"standout")),
 
379
                (u"bold-underline-blink-standout",
 
380
                 u"default", u"default", (u"bold", u"underline",
 
381
                                          u"standout")),
428
382
                ))
429
383
        
430
384
        if urwid.supports_unicode():
431
 
            self.divider = "─" # \u2500
432
 
            #self.divider = "━" # \u2501
 
385
            self.divider = u"─" # \u2500
 
386
            #self.divider = u"━" # \u2501
433
387
        else:
434
 
            #self.divider = "-" # \u002d
435
 
            self.divider = "_" # \u005f
 
388
            #self.divider = u"-" # \u002d
 
389
            self.divider = u"_" # \u005f
436
390
        
437
391
        self.screen.start()
438
392
        
445
399
        self.log = []
446
400
        self.max_log_length = max_log_length
447
401
        
448
 
        self.log_level = log_level
449
 
        
450
402
        # We keep a reference to the log widget so we can remove it
451
403
        # from the ListWalker without it getting destroyed
452
404
        self.logbox = ConstrainedListBox(self.log)
454
406
        # This keeps track of whether self.uilist currently has
455
407
        # self.logbox in it or not
456
408
        self.log_visible = True
457
 
        self.log_wrap = "any"
 
409
        self.log_wrap = u"any"
458
410
        
459
411
        self.rebuild()
460
 
        self.log_message_raw(("bold",
461
 
                              "Mandos Monitor version " + version))
462
 
        self.log_message_raw(("bold",
463
 
                              "q: Quit  ?: Help"))
 
412
        self.log_message_raw((u"bold",
 
413
                              u"Mandos Monitor version " + version))
 
414
        self.log_message_raw((u"bold",
 
415
                              u"q: Quit  ?: Help"))
464
416
        
465
417
        self.busname = domain + '.Mandos'
466
 
        self.main_loop = GLib.MainLoop()
 
418
        self.main_loop = gobject.MainLoop()
 
419
        self.bus = dbus.SystemBus()
 
420
        mandos_dbus_objc = self.bus.get_object(
 
421
            self.busname, u"/", follow_name_owner_changes=True)
 
422
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
423
                                          dbus_interface
 
424
                                          = server_interface)
 
425
        try:
 
426
            mandos_clients = (self.mandos_serv
 
427
                              .GetAllClientsWithProperties())
 
428
        except dbus.exceptions.DBusException:
 
429
            mandos_clients = dbus.Dictionary()
 
430
        
 
431
        (self.mandos_serv
 
432
         .connect_to_signal(u"ClientRemoved",
 
433
                            self.find_and_remove_client,
 
434
                            dbus_interface=server_interface,
 
435
                            byte_arrays=True))
 
436
        (self.mandos_serv
 
437
         .connect_to_signal(u"ClientAdded",
 
438
                            self.add_new_client,
 
439
                            dbus_interface=server_interface,
 
440
                            byte_arrays=True))
 
441
        (self.mandos_serv
 
442
         .connect_to_signal(u"ClientNotFound",
 
443
                            self.client_not_found,
 
444
                            dbus_interface=server_interface,
 
445
                            byte_arrays=True))
 
446
        for path, client in mandos_clients.iteritems():
 
447
            client_proxy_object = self.bus.get_object(self.busname,
 
448
                                                      path)
 
449
            self.add_client(MandosClientWidget(server_proxy_object
 
450
                                               =self.mandos_serv,
 
451
                                               proxy_object
 
452
                                               =client_proxy_object,
 
453
                                               properties=client,
 
454
                                               update_hook
 
455
                                               =self.refresh,
 
456
                                               delete_hook
 
457
                                               =self.remove_client,
 
458
                                               logger
 
459
                                               =self.log_message),
 
460
                            path=path)
467
461
    
468
462
    def client_not_found(self, fingerprint, address):
469
 
        self.log_message("Client with address {} and fingerprint {}"
470
 
                         " could not be found"
471
 
                         .format(address, fingerprint))
 
463
        self.log_message((u"Client with address %s and fingerprint %s"
 
464
                          u" could not be found" % (address,
 
465
                                                    fingerprint)))
472
466
    
473
467
    def rebuild(self):
474
468
        """This rebuilds the User Interface.
475
469
        Call this when the widget layout needs to change"""
476
470
        self.uilist = []
477
471
        #self.uilist.append(urwid.ListBox(self.clients))
478
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
479
 
                                                          clients),
 
472
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
480
473
                                       #header=urwid.Divider(),
481
474
                                       header=None,
482
 
                                       footer=
483
 
                                       urwid.Divider(div_char=
484
 
                                                     self.divider)))
 
475
                                       footer=urwid.Divider(div_char=self.divider)))
485
476
        if self.log_visible:
486
477
            self.uilist.append(self.logbox)
 
478
            pass
487
479
        self.topwidget = urwid.Pile(self.uilist)
488
480
    
489
 
    def log_message(self, message, level=1):
490
 
        """Log message formatted with timestamp"""
491
 
        if level < self.log_level:
492
 
            return
 
481
    def log_message(self, message):
493
482
        timestamp = datetime.datetime.now().isoformat()
494
 
        self.log_message_raw("{}: {}".format(timestamp, message),
495
 
                             level=level)
 
483
        self.log_message_raw(timestamp + u": " + message)
496
484
    
497
 
    def log_message_raw(self, markup, level=1):
 
485
    def log_message_raw(self, markup):
498
486
        """Add a log message to the log buffer."""
499
 
        if level < self.log_level:
500
 
            return
501
487
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
502
488
        if (self.max_log_length
503
489
            and len(self.log) > self.max_log_length):
504
490
            del self.log[0:len(self.log)-self.max_log_length-1]
505
491
        self.logbox.set_focus(len(self.logbox.body.contents),
506
 
                              coming_from="above")
 
492
                              coming_from=u"above")
507
493
        self.refresh()
508
494
    
509
495
    def toggle_log_display(self):
510
496
        """Toggle visibility of the log buffer."""
511
497
        self.log_visible = not self.log_visible
512
498
        self.rebuild()
513
 
        self.log_message("Log visibility changed to: {}"
514
 
                         .format(self.log_visible), level=0)
 
499
        self.log_message(u"Log visibility changed to: "
 
500
                         + unicode(self.log_visible))
515
501
    
516
502
    def change_log_display(self):
517
503
        """Change type of log display.
518
504
        Currently, this toggles wrapping of text lines."""
519
 
        if self.log_wrap == "clip":
520
 
            self.log_wrap = "any"
 
505
        if self.log_wrap == u"clip":
 
506
            self.log_wrap = u"any"
521
507
        else:
522
 
            self.log_wrap = "clip"
 
508
            self.log_wrap = u"clip"
523
509
        for textwidget in self.log:
524
510
            textwidget.set_wrap_mode(self.log_wrap)
525
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
526
 
                         level=0)
 
511
        self.log_message(u"Wrap mode: " + self.log_wrap)
527
512
    
528
 
    def find_and_remove_client(self, path, interfaces):
529
 
        """Find a client by its object path and remove it.
 
513
    def find_and_remove_client(self, path, name):
 
514
        """Find an client from its object path and remove it.
530
515
        
531
 
        This is connected to the InterfacesRemoved signal from the
 
516
        This is connected to the ClientRemoved signal from the
532
517
        Mandos server object."""
533
 
        if client_interface not in interfaces:
534
 
            # Not a Mandos client object; ignore
535
 
            return
536
518
        try:
537
519
            client = self.clients_dict[path]
538
520
        except KeyError:
539
521
            # not found?
540
 
            self.log_message("Unknown client {!r} removed"
541
 
                             .format(path))
542
522
            return
543
 
        client.delete()
 
523
        self.remove_client(client, path)
544
524
    
545
 
    def add_new_client(self, path, ifs_and_props):
546
 
        """Find a client by its object path and remove it.
547
 
        
548
 
        This is connected to the InterfacesAdded signal from the
549
 
        Mandos server object.
550
 
        """
551
 
        if client_interface not in ifs_and_props:
552
 
            # Not a Mandos client object; ignore
553
 
            return
 
525
    def add_new_client(self, path):
554
526
        client_proxy_object = self.bus.get_object(self.busname, path)
555
527
        self.add_client(MandosClientWidget(server_proxy_object
556
528
                                           =self.mandos_serv,
561
533
                                           delete_hook
562
534
                                           =self.remove_client,
563
535
                                           logger
564
 
                                           =self.log_message,
565
 
                                           properties
566
 
                                           = dict(ifs_and_props[
567
 
                                               client_interface])),
 
536
                                           =self.log_message),
568
537
                        path=path)
569
538
    
570
539
    def add_client(self, client, path=None):
572
541
        if path is None:
573
542
            path = client.proxy.object_path
574
543
        self.clients_dict[path] = client
575
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
544
        self.clients.sort(None, lambda c: c.properties[u"name"])
576
545
        self.refresh()
577
546
    
578
547
    def remove_client(self, client, path=None):
580
549
        if path is None:
581
550
            path = client.proxy.object_path
582
551
        del self.clients_dict[path]
 
552
        if not self.clients_dict:
 
553
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
554
            # is completely emptied, we need to recreate it.
 
555
            self.clients = urwid.SimpleListWalker([])
 
556
            self.rebuild()
583
557
        self.refresh()
584
558
    
585
559
    def refresh(self):
589
563
    
590
564
    def run(self):
591
565
        """Start the main loop and exit when it's done."""
592
 
        self.bus = dbus.SystemBus()
593
 
        mandos_dbus_objc = self.bus.get_object(
594
 
            self.busname, "/", follow_name_owner_changes=True)
595
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
596
 
                                          dbus_interface
597
 
                                          = server_interface)
598
 
        try:
599
 
            mandos_clients = (self.mandos_serv
600
 
                              .GetAllClientsWithProperties())
601
 
            if not mandos_clients:
602
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
603
 
        except dbus.exceptions.DBusException:
604
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
605
 
            mandos_clients = dbus.Dictionary()
606
 
        
607
 
        (self.mandos_serv
608
 
         .connect_to_signal("InterfacesRemoved",
609
 
                            self.find_and_remove_client,
610
 
                            dbus_interface
611
 
                            = dbus.OBJECT_MANAGER_IFACE,
612
 
                            byte_arrays=True))
613
 
        (self.mandos_serv
614
 
         .connect_to_signal("InterfacesAdded",
615
 
                            self.add_new_client,
616
 
                            dbus_interface
617
 
                            = dbus.OBJECT_MANAGER_IFACE,
618
 
                            byte_arrays=True))
619
 
        (self.mandos_serv
620
 
         .connect_to_signal("ClientNotFound",
621
 
                            self.client_not_found,
622
 
                            dbus_interface=server_interface,
623
 
                            byte_arrays=True))
624
 
        for path, client in mandos_clients.items():
625
 
            client_proxy_object = self.bus.get_object(self.busname,
626
 
                                                      path)
627
 
            self.add_client(MandosClientWidget(server_proxy_object
628
 
                                               =self.mandos_serv,
629
 
                                               proxy_object
630
 
                                               =client_proxy_object,
631
 
                                               properties=client,
632
 
                                               update_hook
633
 
                                               =self.refresh,
634
 
                                               delete_hook
635
 
                                               =self.remove_client,
636
 
                                               logger
637
 
                                               =self.log_message),
638
 
                            path=path)
639
 
        
640
566
        self.refresh()
641
 
        self._input_callback_tag = (GLib.io_add_watch
 
567
        self._input_callback_tag = (gobject.io_add_watch
642
568
                                    (sys.stdin.fileno(),
643
 
                                     GLib.IO_IN,
 
569
                                     gobject.IO_IN,
644
570
                                     self.process_input))
645
571
        self.main_loop.run()
646
572
        # Main loop has finished, we should close everything now
647
 
        GLib.source_remove(self._input_callback_tag)
 
573
        gobject.source_remove(self._input_callback_tag)
648
574
        self.screen.stop()
649
575
    
650
576
    def stop(self):
652
578
    
653
579
    def process_input(self, source, condition):
654
580
        keys = self.screen.get_input()
655
 
        translations = { "ctrl n": "down",      # Emacs
656
 
                         "ctrl p": "up",        # Emacs
657
 
                         "ctrl v": "page down", # Emacs
658
 
                         "meta v": "page up",   # Emacs
659
 
                         " ": "page down",      # less
660
 
                         "f": "page down",      # less
661
 
                         "b": "page up",        # less
662
 
                         "j": "down",           # vi
663
 
                         "k": "up",             # vi
 
581
        translations = { u"ctrl n": u"down",      # Emacs
 
582
                         u"ctrl p": u"up",        # Emacs
 
583
                         u"ctrl v": u"page down", # Emacs
 
584
                         u"meta v": u"page up",   # Emacs
 
585
                         u" ": u"page down",      # less
 
586
                         u"f": u"page down",      # less
 
587
                         u"b": u"page up",        # less
 
588
                         u"j": u"down",           # vi
 
589
                         u"k": u"up",             # vi
664
590
                         }
665
591
        for key in keys:
666
592
            try:
668
594
            except KeyError:    # :-)
669
595
                pass
670
596
            
671
 
            if key == "q" or key == "Q":
 
597
            if key == u"q" or key == u"Q":
672
598
                self.stop()
673
599
                break
674
 
            elif key == "window resize":
 
600
            elif key == u"window resize":
675
601
                self.size = self.screen.get_cols_rows()
676
602
                self.refresh()
677
 
            elif key == "ctrl l":
678
 
                self.screen.clear()
 
603
            elif key == u"\f":  # Ctrl-L
679
604
                self.refresh()
680
 
            elif key == "l" or key == "D":
 
605
            elif key == u"l" or key == u"D":
681
606
                self.toggle_log_display()
682
607
                self.refresh()
683
 
            elif key == "w" or key == "i":
 
608
            elif key == u"w" or key == u"i":
684
609
                self.change_log_display()
685
610
                self.refresh()
686
 
            elif key == "?" or key == "f1" or key == "esc":
 
611
            elif key == u"?" or key == u"f1" or key == u"esc":
687
612
                if not self.log_visible:
688
613
                    self.log_visible = True
689
614
                    self.rebuild()
690
 
                self.log_message_raw(("bold",
691
 
                                      "  ".
692
 
                                      join(("q: Quit",
693
 
                                            "?: Help",
694
 
                                            "l: Log window toggle",
695
 
                                            "TAB: Switch window",
696
 
                                            "w: Wrap (log lines)",
697
 
                                            "v: Toggle verbose log",
698
 
                                            ))))
699
 
                self.log_message_raw(("bold",
700
 
                                      "  "
701
 
                                      .join(("Clients:",
702
 
                                             "+: Enable",
703
 
                                             "-: Disable",
704
 
                                             "R: Remove",
705
 
                                             "s: Start new checker",
706
 
                                             "S: Stop checker",
707
 
                                             "C: Checker OK",
708
 
                                             "a: Approve",
709
 
                                             "d: Deny"))))
 
615
                self.log_message_raw((u"bold",
 
616
                                      u"  ".
 
617
                                      join((u"q: Quit",
 
618
                                            u"?: Help",
 
619
                                            u"l: Log window toggle",
 
620
                                            u"TAB: Switch window",
 
621
                                            u"w: Wrap (log)"))))
 
622
                self.log_message_raw((u"bold",
 
623
                                      u"  "
 
624
                                      .join((u"Clients:",
 
625
                                             u"+: Enable",
 
626
                                             u"-: Disable",
 
627
                                             u"r: Remove",
 
628
                                             u"s: Start new checker",
 
629
                                             u"S: Stop checker",
 
630
                                             u"C: Checker OK",
 
631
                                             u"a: Approve",
 
632
                                             u"d: Deny"))))
710
633
                self.refresh()
711
 
            elif key == "tab":
 
634
            elif key == u"tab":
712
635
                if self.topwidget.get_focus() is self.logbox:
713
636
                    self.topwidget.set_focus(0)
714
637
                else:
715
638
                    self.topwidget.set_focus(self.logbox)
716
639
                self.refresh()
717
 
            elif key == "v":
718
 
                if self.log_level == 0:
719
 
                    self.log_level = 1
720
 
                    self.log_message("Verbose mode: Off")
721
 
                else:
722
 
                    self.log_level = 0
723
 
                    self.log_message("Verbose mode: On")
724
 
            #elif (key == "end" or key == "meta >" or key == "G"
725
 
            #      or key == ">"):
 
640
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
641
            #      or key == u">"):
726
642
            #    pass            # xxx end-of-buffer
727
 
            #elif (key == "home" or key == "meta <" or key == "g"
728
 
            #      or key == "<"):
 
643
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
644
            #      or key == u"<"):
729
645
            #    pass            # xxx beginning-of-buffer
730
 
            #elif key == "ctrl e" or key == "$":
 
646
            #elif key == u"ctrl e" or key == u"$":
731
647
            #    pass            # xxx move-end-of-line
732
 
            #elif key == "ctrl a" or key == "^":
 
648
            #elif key == u"ctrl a" or key == u"^":
733
649
            #    pass            # xxx move-beginning-of-line
734
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
650
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
735
651
            #    pass            # xxx left
736
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
652
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
737
653
            #    pass            # xxx right
738
 
            #elif key == "a":
 
654
            #elif key == u"a":
739
655
            #    pass            # scroll up log
740
 
            #elif key == "z":
 
656
            #elif key == u"z":
741
657
            #    pass            # scroll down log
742
658
            elif self.topwidget.selectable():
743
659
                self.topwidget.keypress(self.size, key)
749
665
    ui.run()
750
666
except KeyboardInterrupt:
751
667
    ui.screen.stop()
752
 
except Exception as e:
753
 
    ui.log_message(str(e))
 
668
except Exception, e:
 
669
    ui.log_message(unicode(e))
754
670
    ui.screen.stop()
755
671
    raise