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  • Committer: Teddy Hogeborn
  • Date: 2010-09-25 23:52:17 UTC
  • Revision ID: teddy@fukt.bsnet.se-20100925235217-4hhqfryz1ste6uw3
* mandos (ClientDBus.__init__): Bug fix: Translate "-" in client names
                                to "_" in D-Bus object paths.
  (MandosServer.handle_ipc): Bug fix: Send only address string to
                             D-Bus signal, not whole tuple.

* mandos-ctl: New options "--approve-by-default", "--deny-by-default",
              "--approval-delay", and "--approval-duration".
* mandos-ctl.xml (SYNOPSIS, OPTIONS): Document new options.

* mandos-monitor (MandosClientWidget.update): Fix spelling.

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mandos-monitor
1
1
#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
3
 
# 
4
 
# Mandos Monitor - Control and monitor the Mandos server
5
 
# 
6
 
# Copyright © 2009-2016 Teddy Hogeborn
7
 
# Copyright © 2009-2016 Björn Påhlsson
8
 
# 
9
 
# This program is free software: you can redistribute it and/or modify
10
 
# it under the terms of the GNU General Public License as published by
11
 
# the Free Software Foundation, either version 3 of the License, or
12
 
# (at your option) any later version.
13
 
#
14
 
#     This program is distributed in the hope that it will be useful,
15
 
#     but WITHOUT ANY WARRANTY; without even the implied warranty of
16
 
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17
 
#     GNU General Public License for more details.
18
 
# 
19
 
# You should have received a copy of the GNU General Public License
20
 
# along with this program.  If not, see
21
 
# <http://www.gnu.org/licenses/>.
22
 
# 
23
 
# Contact the authors at <mandos@recompile.se>.
24
 
# 
25
3
 
26
 
from __future__ import (division, absolute_import, print_function,
27
 
                        unicode_literals)
28
 
try:
29
 
    from future_builtins import *
30
 
except ImportError:
31
 
    pass
 
4
from __future__ import division, absolute_import, with_statement
32
5
 
33
6
import sys
34
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 = "1.7.9"
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
                                                [u"LastCheckedOK"])
 
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
 
146
                                         [u"Interval"]))
 
147
        if self.last_checker_failed:
 
148
            self._update_timer_callback_tag = (gobject.timeout_add
173
149
                                               (1000,
174
150
                                                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
151
    
179
152
    def checker_completed(self, exitstatus, condition, command):
180
153
        if exitstatus == 0:
181
 
            self.logger('Checker for client {} (command "{}")'
182
 
                        ' succeeded'.format(self.properties["Name"],
183
 
                                            command), level=0)
 
154
            if self.last_checker_failed:
 
155
                self.last_checker_failed = False
 
156
                gobject.source_remove(self._update_timer_callback_tag)
 
157
                self._update_timer_callback_tag = None
 
158
            #self.logger(u'Checker for client %s (command "%s")'
 
159
            #            u' was successful'
 
160
            #            % (self.properties[u"Name"], command))
184
161
            self.update()
185
162
            return
186
163
        # Checker failed
 
164
        if not self.last_checker_failed:
 
165
            self.last_checker_failed = True
 
166
            self._update_timer_callback_tag = (gobject.timeout_add
 
167
                                               (1000,
 
168
                                                self.update_timer))
187
169
        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)))
 
170
            self.logger(u'Checker for client %s (command "%s")'
 
171
                        u' failed with exit code %s'
 
172
                        % (self.properties[u"Name"], command,
 
173
                           os.WEXITSTATUS(condition)))
192
174
        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)))
 
175
            self.logger(u'Checker for client %s (command "%s")'
 
176
                        u' was killed by signal %s'
 
177
                        % (self.properties[u"Name"], command,
 
178
                           os.WTERMSIG(condition)))
 
179
        elif os.WCOREDUMP(condition):
 
180
            self.logger(u'Checker for client %s (command "%s")'
 
181
                        u' dumped core'
 
182
                        % (self.properties[u"Name"], command))
 
183
        else:
 
184
            self.logger(u'Checker for client %s completed'
 
185
                        u' mysteriously')
197
186
        self.update()
198
187
    
199
188
    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)
 
189
        #self.logger(u'Client %s started checker "%s"'
 
190
        #            % (self.properties[u"Name"], unicode(command)))
 
191
        pass
204
192
    
205
193
    def got_secret(self):
206
 
        self.logger('Client {} received its secret'
207
 
                    .format(self.properties["Name"]))
 
194
        self.last_checker_failed = False
 
195
        self.logger(u'Client %s received its secret'
 
196
                    % self.properties[u"Name"])
208
197
    
209
198
    def need_approval(self, timeout, default):
210
199
        if not default:
211
 
            message = 'Client {} needs approval within {} seconds'
 
200
            message = u'Client %s needs approval within %s seconds'
212
201
        else:
213
 
            message = 'Client {} will get its secret in {} seconds'
214
 
        self.logger(message.format(self.properties["Name"],
215
 
                                   timeout/1000))
 
202
            message = u'Client %s will get its secret in %s seconds'
 
203
        self.logger(message
 
204
                    % (self.properties[u"Name"], timeout/1000))
216
205
    
217
206
    def rejected(self, reason):
218
 
        self.logger('Client {} was rejected; reason: {}'
219
 
                    .format(self.properties["Name"], reason))
 
207
        self.logger(u'Client %s was rejected; reason: %s'
 
208
                    % (self.properties[u"Name"], reason))
220
209
    
221
210
    def selectable(self):
222
211
        """Make this a "selectable" widget.
223
212
        This overrides the method from urwid.FlowWidget."""
224
213
        return True
225
214
    
226
 
    def rows(self, maxcolrow, focus=False):
 
215
    def rows(self, (maxcol,), focus=False):
227
216
        """How many rows this widget will occupy might depend on
228
217
        whether we have focus or not.
229
218
        This overrides the method from urwid.FlowWidget"""
230
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
219
        return self.current_widget(focus).rows((maxcol,), focus=focus)
231
220
    
232
221
    def current_widget(self, focus=False):
233
222
        if focus or self.opened:
237
226
    def update(self):
238
227
        "Called when what is visible on the screen should be updated."
239
228
        # 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",
 
229
        with_standout = { u"normal": u"standout",
 
230
                          u"bold": u"bold-standout",
 
231
                          u"underline-blink":
 
232
                              u"underline-blink-standout",
 
233
                          u"bold-underline-blink":
 
234
                              u"bold-underline-blink-standout",
246
235
                          }
247
 
        
 
236
 
248
237
        # Rebuild focus and non-focus widgets using current properties
249
 
        
 
238
 
250
239
        # 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"]:
 
240
        base = (u'%(name)s: '
 
241
                      % {u"name": self.properties[u"Name"]})
 
242
        if not self.properties[u"Enabled"]:
 
243
            message = u"DISABLED"
 
244
        elif self.properties[u"ApprovalPending"]:
 
245
            if self.properties[u"ApprovedByDefault"]:
 
246
                message = u"Connection established to client. (d)eny?"
 
247
            else:
 
248
                message = u"Seeks approval to send secret. (a)pprove?"
 
249
        elif self.last_checker_failed:
256
250
            timeout = datetime.timedelta(milliseconds
257
251
                                         = 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)
 
252
                                         [u"Timeout"])
 
253
            last_ok = isoformat_to_datetime(
 
254
                max((self.properties[u"LastCheckedOK"]
 
255
                     or self.properties[u"Created"]),
 
256
                    self.properties[u"LastEnabled"]))
 
257
            timer = timeout - (datetime.datetime.utcnow() - last_ok)
 
258
            message = (u'A checker has failed! Time until client'
 
259
                       u' gets disabled: %s'
 
260
                           % unicode(timer).rsplit(".", 1)[0])
287
261
        else:
288
 
            message = "enabled"
289
 
            self.using_timer(False)
290
 
        self._text = "{}{}".format(base, message)
291
 
        
 
262
            message = u"enabled"
 
263
        self._text = "%s%s" % (base, message)
 
264
            
292
265
        if not urwid.supports_unicode():
293
266
            self._text = self._text.encode("ascii", "replace")
294
 
        textlist = [("normal", self._text)]
 
267
        textlist = [(u"normal", self._text)]
295
268
        self._text_widget.set_text(textlist)
296
269
        self._focus_text_widget.set_text([(with_standout[text[0]],
297
270
                                           text[1])
306
279
            self.update_hook()
307
280
    
308
281
    def update_timer(self):
309
 
        """called by GLib. Will indefinitely loop until
310
 
        GLib.source_remove() on tag is called
311
 
        """
 
282
        "called by gobject"
312
283
        self.update()
313
284
        return True             # Keep calling this
314
285
    
315
 
    def delete(self, **kwargs):
 
286
    def delete(self):
316
287
        if self._update_timer_callback_tag is not None:
317
 
            GLib.source_remove(self._update_timer_callback_tag)
 
288
            gobject.source_remove(self._update_timer_callback_tag)
318
289
            self._update_timer_callback_tag = None
319
 
        for match in self.match_objects:
320
 
            match.remove()
321
 
        self.match_objects = ()
322
290
        if self.delete_hook is not None:
323
291
            self.delete_hook(self)
324
 
        return super(MandosClientWidget, self).delete(**kwargs)
325
292
    
326
 
    def render(self, maxcolrow, focus=False):
 
293
    def render(self, (maxcol,), focus=False):
327
294
        """Render differently if we have focus.
328
295
        This overrides the method from urwid.FlowWidget"""
329
 
        return self.current_widget(focus).render(maxcolrow,
 
296
        return self.current_widget(focus).render((maxcol,),
330
297
                                                 focus=focus)
331
298
    
332
 
    def keypress(self, maxcolrow, key):
 
299
    def keypress(self, (maxcol,), key):
333
300
        """Handle keys.
334
301
        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":
 
302
        if key == u"+":
 
303
            self.proxy.Enable(dbus_interface = client_interface)
 
304
        elif key == u"-":
 
305
            self.proxy.Disable(dbus_interface = client_interface)
 
306
        elif key == u"a":
344
307
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
345
 
                               dbus_interface = client_interface,
346
 
                               ignore_reply=True)
347
 
        elif key == "d":
 
308
                               dbus_interface = client_interface)
 
309
        elif key == u"d":
348
310
            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":
 
311
                                  dbus_interface = client_interface)
 
312
        elif key == u"r" or key == u"_" or key == u"ctrl k":
352
313
            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)
 
314
                                                  .object_path)
 
315
        elif key == u"s":
 
316
            self.proxy.StartChecker(dbus_interface = client_interface)
 
317
        elif key == u"S":
 
318
            self.proxy.StopChecker(dbus_interface = client_interface)
 
319
        elif key == u"C":
 
320
            self.proxy.CheckedOK(dbus_interface = client_interface)
366
321
        # xxx
367
 
#         elif key == "p" or key == "=":
 
322
#         elif key == u"p" or key == "=":
368
323
#             self.proxy.pause()
369
 
#         elif key == "u" or key == ":":
 
324
#         elif key == u"u" or key == ":":
370
325
#             self.proxy.unpause()
371
 
#         elif key == "RET":
 
326
#         elif key == u"RET":
372
327
#             self.open()
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,
 
350
                                                        maxrow), key)
 
351
        if ret in (u"up", u"down"):
396
352
            return
397
353
        return ret
398
354
 
401
357
    """This is the entire user interface - the whole screen
402
358
    with boxes, lists of client widgets, etc.
403
359
    """
404
 
    def __init__(self, max_log_length=1000, log_level=1):
 
360
    def __init__(self, max_log_length=1000):
405
361
        DBusGMainLoop(set_as_default=True)
406
362
        
407
363
        self.screen = urwid.curses_display.Screen()
408
364
        
409
365
        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"),
 
366
                (u"normal",
 
367
                 u"default", u"default", None),
 
368
                (u"bold",
 
369
                 u"default", u"default", u"bold"),
 
370
                (u"underline-blink",
 
371
                 u"default", u"default", u"underline"),
 
372
                (u"standout",
 
373
                 u"default", u"default", u"standout"),
 
374
                (u"bold-underline-blink",
 
375
                 u"default", u"default", (u"bold", u"underline")),
 
376
                (u"bold-standout",
 
377
                 u"default", u"default", (u"bold", u"standout")),
 
378
                (u"underline-blink-standout",
 
379
                 u"default", u"default", (u"underline", u"standout")),
 
380
                (u"bold-underline-blink-standout",
 
381
                 u"default", u"default", (u"bold", u"underline",
 
382
                                          u"standout")),
428
383
                ))
429
384
        
430
385
        if urwid.supports_unicode():
431
 
            self.divider = "─" # \u2500
432
 
            #self.divider = "━" # \u2501
 
386
            self.divider = u"─" # \u2500
 
387
            #self.divider = u"━" # \u2501
433
388
        else:
434
 
            #self.divider = "-" # \u002d
435
 
            self.divider = "_" # \u005f
 
389
            #self.divider = u"-" # \u002d
 
390
            self.divider = u"_" # \u005f
436
391
        
437
392
        self.screen.start()
438
393
        
445
400
        self.log = []
446
401
        self.max_log_length = max_log_length
447
402
        
448
 
        self.log_level = log_level
449
 
        
450
403
        # We keep a reference to the log widget so we can remove it
451
404
        # from the ListWalker without it getting destroyed
452
405
        self.logbox = ConstrainedListBox(self.log)
454
407
        # This keeps track of whether self.uilist currently has
455
408
        # self.logbox in it or not
456
409
        self.log_visible = True
457
 
        self.log_wrap = "any"
 
410
        self.log_wrap = u"any"
458
411
        
459
412
        self.rebuild()
460
 
        self.log_message_raw(("bold",
461
 
                              "Mandos Monitor version " + version))
462
 
        self.log_message_raw(("bold",
463
 
                              "q: Quit  ?: Help"))
 
413
        self.log_message_raw((u"bold",
 
414
                              u"Mandos Monitor version " + version))
 
415
        self.log_message_raw((u"bold",
 
416
                              u"q: Quit  ?: Help"))
464
417
        
465
418
        self.busname = domain + '.Mandos'
466
 
        self.main_loop = GLib.MainLoop()
 
419
        self.main_loop = gobject.MainLoop()
 
420
        self.bus = dbus.SystemBus()
 
421
        mandos_dbus_objc = self.bus.get_object(
 
422
            self.busname, u"/", follow_name_owner_changes=True)
 
423
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
424
                                          dbus_interface
 
425
                                          = server_interface)
 
426
        try:
 
427
            mandos_clients = (self.mandos_serv
 
428
                              .GetAllClientsWithProperties())
 
429
        except dbus.exceptions.DBusException:
 
430
            mandos_clients = dbus.Dictionary()
 
431
        
 
432
        (self.mandos_serv
 
433
         .connect_to_signal(u"ClientRemoved",
 
434
                            self.find_and_remove_client,
 
435
                            dbus_interface=server_interface,
 
436
                            byte_arrays=True))
 
437
        (self.mandos_serv
 
438
         .connect_to_signal(u"ClientAdded",
 
439
                            self.add_new_client,
 
440
                            dbus_interface=server_interface,
 
441
                            byte_arrays=True))
 
442
        (self.mandos_serv
 
443
         .connect_to_signal(u"ClientNotFound",
 
444
                            self.client_not_found,
 
445
                            dbus_interface=server_interface,
 
446
                            byte_arrays=True))
 
447
        for path, client in mandos_clients.iteritems():
 
448
            client_proxy_object = self.bus.get_object(self.busname,
 
449
                                                      path)
 
450
            self.add_client(MandosClientWidget(server_proxy_object
 
451
                                               =self.mandos_serv,
 
452
                                               proxy_object
 
453
                                               =client_proxy_object,
 
454
                                               properties=client,
 
455
                                               update_hook
 
456
                                               =self.refresh,
 
457
                                               delete_hook
 
458
                                               =self.remove_client,
 
459
                                               logger
 
460
                                               =self.log_message),
 
461
                            path=path)
467
462
    
468
463
    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))
 
464
        self.log_message((u"Client with address %s and fingerprint %s"
 
465
                          u" could not be found" % (address,
 
466
                                                    fingerprint)))
472
467
    
473
468
    def rebuild(self):
474
469
        """This rebuilds the User Interface.
484
479
                                                     self.divider)))
485
480
        if self.log_visible:
486
481
            self.uilist.append(self.logbox)
 
482
            pass
487
483
        self.topwidget = urwid.Pile(self.uilist)
488
484
    
489
 
    def log_message(self, message, level=1):
490
 
        """Log message formatted with timestamp"""
491
 
        if level < self.log_level:
492
 
            return
 
485
    def log_message(self, message):
493
486
        timestamp = datetime.datetime.now().isoformat()
494
 
        self.log_message_raw("{}: {}".format(timestamp, message),
495
 
                             level=level)
 
487
        self.log_message_raw(timestamp + u": " + message)
496
488
    
497
 
    def log_message_raw(self, markup, level=1):
 
489
    def log_message_raw(self, markup):
498
490
        """Add a log message to the log buffer."""
499
 
        if level < self.log_level:
500
 
            return
501
491
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
502
492
        if (self.max_log_length
503
493
            and len(self.log) > self.max_log_length):
504
494
            del self.log[0:len(self.log)-self.max_log_length-1]
505
495
        self.logbox.set_focus(len(self.logbox.body.contents),
506
 
                              coming_from="above")
 
496
                              coming_from=u"above")
507
497
        self.refresh()
508
498
    
509
499
    def toggle_log_display(self):
510
500
        """Toggle visibility of the log buffer."""
511
501
        self.log_visible = not self.log_visible
512
502
        self.rebuild()
513
 
        self.log_message("Log visibility changed to: {}"
514
 
                         .format(self.log_visible), level=0)
 
503
        #self.log_message(u"Log visibility changed to: "
 
504
        #                 + unicode(self.log_visible))
515
505
    
516
506
    def change_log_display(self):
517
507
        """Change type of log display.
518
508
        Currently, this toggles wrapping of text lines."""
519
 
        if self.log_wrap == "clip":
520
 
            self.log_wrap = "any"
 
509
        if self.log_wrap == u"clip":
 
510
            self.log_wrap = u"any"
521
511
        else:
522
 
            self.log_wrap = "clip"
 
512
            self.log_wrap = u"clip"
523
513
        for textwidget in self.log:
524
514
            textwidget.set_wrap_mode(self.log_wrap)
525
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
526
 
                         level=0)
 
515
        #self.log_message(u"Wrap mode: " + self.log_wrap)
527
516
    
528
 
    def find_and_remove_client(self, path, interfaces):
529
 
        """Find a client by its object path and remove it.
 
517
    def find_and_remove_client(self, path, name):
 
518
        """Find an client from its object path and remove it.
530
519
        
531
 
        This is connected to the InterfacesRemoved signal from the
 
520
        This is connected to the ClientRemoved signal from the
532
521
        Mandos server object."""
533
 
        if client_interface not in interfaces:
534
 
            # Not a Mandos client object; ignore
535
 
            return
536
522
        try:
537
523
            client = self.clients_dict[path]
538
524
        except KeyError:
539
525
            # not found?
540
 
            self.log_message("Unknown client {!r} removed"
541
 
                             .format(path))
542
526
            return
543
 
        client.delete()
 
527
        self.remove_client(client, path)
544
528
    
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
 
529
    def add_new_client(self, path):
554
530
        client_proxy_object = self.bus.get_object(self.busname, path)
555
531
        self.add_client(MandosClientWidget(server_proxy_object
556
532
                                           =self.mandos_serv,
561
537
                                           delete_hook
562
538
                                           =self.remove_client,
563
539
                                           logger
564
 
                                           =self.log_message,
565
 
                                           properties
566
 
                                           = dict(ifs_and_props[
567
 
                                               client_interface])),
 
540
                                           =self.log_message),
568
541
                        path=path)
569
542
    
570
543
    def add_client(self, client, path=None):
572
545
        if path is None:
573
546
            path = client.proxy.object_path
574
547
        self.clients_dict[path] = client
575
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
548
        self.clients.sort(None, lambda c: c.properties[u"Name"])
576
549
        self.refresh()
577
550
    
578
551
    def remove_client(self, client, path=None):
580
553
        if path is None:
581
554
            path = client.proxy.object_path
582
555
        del self.clients_dict[path]
 
556
        if not self.clients_dict:
 
557
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
558
            # is completely emptied, we need to recreate it.
 
559
            self.clients = urwid.SimpleListWalker([])
 
560
            self.rebuild()
583
561
        self.refresh()
584
562
    
585
563
    def refresh(self):
589
567
    
590
568
    def run(self):
591
569
        """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
570
        self.refresh()
641
 
        self._input_callback_tag = (GLib.io_add_watch
 
571
        self._input_callback_tag = (gobject.io_add_watch
642
572
                                    (sys.stdin.fileno(),
643
 
                                     GLib.IO_IN,
 
573
                                     gobject.IO_IN,
644
574
                                     self.process_input))
645
575
        self.main_loop.run()
646
576
        # Main loop has finished, we should close everything now
647
 
        GLib.source_remove(self._input_callback_tag)
 
577
        gobject.source_remove(self._input_callback_tag)
648
578
        self.screen.stop()
649
579
    
650
580
    def stop(self):
652
582
    
653
583
    def process_input(self, source, condition):
654
584
        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
 
585
        translations = { u"ctrl n": u"down",      # Emacs
 
586
                         u"ctrl p": u"up",        # Emacs
 
587
                         u"ctrl v": u"page down", # Emacs
 
588
                         u"meta v": u"page up",   # Emacs
 
589
                         u" ": u"page down",      # less
 
590
                         u"f": u"page down",      # less
 
591
                         u"b": u"page up",        # less
 
592
                         u"j": u"down",           # vi
 
593
                         u"k": u"up",             # vi
664
594
                         }
665
595
        for key in keys:
666
596
            try:
668
598
            except KeyError:    # :-)
669
599
                pass
670
600
            
671
 
            if key == "q" or key == "Q":
 
601
            if key == u"q" or key == u"Q":
672
602
                self.stop()
673
603
                break
674
 
            elif key == "window resize":
 
604
            elif key == u"window resize":
675
605
                self.size = self.screen.get_cols_rows()
676
606
                self.refresh()
677
 
            elif key == "ctrl l":
678
 
                self.screen.clear()
 
607
            elif key == u"\f":  # Ctrl-L
679
608
                self.refresh()
680
 
            elif key == "l" or key == "D":
 
609
            elif key == u"l" or key == u"D":
681
610
                self.toggle_log_display()
682
611
                self.refresh()
683
 
            elif key == "w" or key == "i":
 
612
            elif key == u"w" or key == u"i":
684
613
                self.change_log_display()
685
614
                self.refresh()
686
 
            elif key == "?" or key == "f1" or key == "esc":
 
615
            elif key == u"?" or key == u"f1" or key == u"esc":
687
616
                if not self.log_visible:
688
617
                    self.log_visible = True
689
618
                    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"))))
 
619
                self.log_message_raw((u"bold",
 
620
                                      u"  ".
 
621
                                      join((u"q: Quit",
 
622
                                            u"?: Help",
 
623
                                            u"l: Log window toggle",
 
624
                                            u"TAB: Switch window",
 
625
                                            u"w: Wrap (log)"))))
 
626
                self.log_message_raw((u"bold",
 
627
                                      u"  "
 
628
                                      .join((u"Clients:",
 
629
                                             u"+: Enable",
 
630
                                             u"-: Disable",
 
631
                                             u"r: Remove",
 
632
                                             u"s: Start new checker",
 
633
                                             u"S: Stop checker",
 
634
                                             u"C: Checker OK",
 
635
                                             u"a: Approve",
 
636
                                             u"d: Deny"))))
710
637
                self.refresh()
711
 
            elif key == "tab":
 
638
            elif key == u"tab":
712
639
                if self.topwidget.get_focus() is self.logbox:
713
640
                    self.topwidget.set_focus(0)
714
641
                else:
715
642
                    self.topwidget.set_focus(self.logbox)
716
643
                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 == ">"):
 
644
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
645
            #      or key == u">"):
726
646
            #    pass            # xxx end-of-buffer
727
 
            #elif (key == "home" or key == "meta <" or key == "g"
728
 
            #      or key == "<"):
 
647
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
648
            #      or key == u"<"):
729
649
            #    pass            # xxx beginning-of-buffer
730
 
            #elif key == "ctrl e" or key == "$":
 
650
            #elif key == u"ctrl e" or key == u"$":
731
651
            #    pass            # xxx move-end-of-line
732
 
            #elif key == "ctrl a" or key == "^":
 
652
            #elif key == u"ctrl a" or key == u"^":
733
653
            #    pass            # xxx move-beginning-of-line
734
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
654
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
735
655
            #    pass            # xxx left
736
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
656
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
737
657
            #    pass            # xxx right
738
 
            #elif key == "a":
 
658
            #elif key == u"a":
739
659
            #    pass            # scroll up log
740
 
            #elif key == "z":
 
660
            #elif key == u"z":
741
661
            #    pass            # scroll down log
742
662
            elif self.topwidget.selectable():
743
663
                self.topwidget.keypress(self.size, key)
749
669
    ui.run()
750
670
except KeyboardInterrupt:
751
671
    ui.screen.stop()
752
 
except Exception as e:
753
 
    ui.log_message(str(e))
 
672
except Exception, e:
 
673
    ui.log_message(unicode(e))
754
674
    ui.screen.stop()
755
675
    raise