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  • Committer: Björn Påhlsson
  • Date: 2010-09-07 16:48:58 UTC
  • mto: (237.4.3 mandos-release)
  • mto: This revision was merged to the branch mainline in revision 421.
  • Revision ID: belorn@fukt.bsnet.se-20100907164858-tcg8hkxdj41zizac
mandos server: Added debuglevel that adjust at what level information
               should be reported.
plugin-runner, askpass-fifo, password-prompt, splasy, usplash:
               Using error instead of perror

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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 © 2009-2015 Teddy Hogeborn
7
 
# Copyright © 2009-2015 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
 
try:
43
 
    import gobject
44
 
except ImportError:
45
 
    from gi.repository import GObject as gobject
 
16
import gobject
46
17
 
47
18
import dbus
48
19
 
 
20
import UserList
 
21
 
49
22
import locale
50
23
 
51
 
if sys.version_info.major == 2:
52
 
    str = unicode
53
 
 
54
 
locale.setlocale(locale.LC_ALL, '')
 
24
locale.setlocale(locale.LC_ALL, u'')
55
25
 
56
26
import logging
57
27
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
58
28
 
59
29
# Some useful constants
60
 
domain = 'se.recompile'
 
30
domain = 'se.bsnet.fukt'
61
31
server_interface = domain + '.Mandos'
62
32
client_interface = domain + '.Mandos.Client'
63
 
version = "1.6.9"
64
 
 
65
 
def isoformat_to_datetime(iso):
66
 
    "Parse an ISO 8601 date string to a datetime.datetime()"
67
 
    if not iso:
68
 
        return None
69
 
    d, t = iso.split("T", 1)
70
 
    year, month, day = d.split("-", 2)
71
 
    hour, minute, second = t.split(":", 2)
72
 
    second, fraction = divmod(float(second), 1)
73
 
    return datetime.datetime(int(year),
74
 
                             int(month),
75
 
                             int(day),
76
 
                             int(hour),
77
 
                             int(minute),
78
 
                             int(second),           # Whole seconds
79
 
                             int(fraction*1000000)) # Microseconds
 
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)
80
42
 
81
43
class MandosClientPropertyCache(object):
82
44
    """This wraps a Mandos Client D-Bus proxy object, caches the
83
45
    properties and calls a hook function when any of them are
84
46
    changed.
85
47
    """
86
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
48
    def __init__(self, proxy_object=None, *args, **kwargs):
87
49
        self.proxy = proxy_object # Mandos Client proxy object
88
 
        self.properties = dict() if properties is None else properties
89
 
        self.property_changed_match = (
90
 
            self.proxy.connect_to_signal("PropertiesChanged",
91
 
                                         self.properties_changed,
92
 
                                         dbus.PROPERTIES_IFACE,
93
 
                                         byte_arrays=True))
94
 
        
95
 
        if properties is None:
96
 
            self.properties.update(
97
 
                self.proxy.GetAll(client_interface,
98
 
                                  dbus_interface
99
 
                                  = dbus.PROPERTIES_IFACE))
100
 
        
101
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
50
        
 
51
        self.properties = dict()
 
52
        self.proxy.connect_to_signal(u"PropertyChanged",
 
53
                                     self.property_changed,
 
54
                                     client_interface,
 
55
                                     byte_arrays=True)
 
56
        
 
57
        self.properties.update(
 
58
            self.proxy.GetAll(client_interface,
 
59
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
60
 
 
61
        #XXX This break good super behaviour!
 
62
#        super(MandosClientPropertyCache, self).__init__(
 
63
#            *args, **kwargs)
102
64
    
103
 
    def properties_changed(self, interface, properties, invalidated):
104
 
        """This is called whenever we get a PropertiesChanged signal
105
 
        It updates the changed properties in the "properties" dict.
 
65
    def property_changed(self, property=None, value=None):
 
66
        """This is called whenever we get a PropertyChanged signal
 
67
        It updates the changed property in the "properties" dict.
106
68
        """
107
69
        # Update properties dict with new value
108
 
        self.properties.update(properties)
109
 
    
110
 
    def delete(self):
111
 
        self.property_changed_match.remove()
 
70
        self.properties[property] = value
112
71
 
113
72
 
114
73
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
116
75
    """
117
76
    
118
77
    def __init__(self, server_proxy_object=None, update_hook=None,
119
 
                 delete_hook=None, logger=None, **kwargs):
 
78
                 delete_hook=None, logger=None, *args, **kwargs):
120
79
        # Called on update
121
80
        self.update_hook = update_hook
122
81
        # Called on delete
126
85
        # Logger
127
86
        self.logger = logger
128
87
        
129
 
        self._update_timer_callback_tag = None
130
 
        
131
88
        # The widget shown normally
132
 
        self._text_widget = urwid.Text("")
 
89
        self._text_widget = urwid.Text(u"")
133
90
        # The widget shown when we have focus
134
 
        self._focus_text_widget = urwid.Text("")
135
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
91
        self._focus_text_widget = urwid.Text(u"")
 
92
        super(MandosClientWidget, self).__init__(
 
93
            update_hook=update_hook, delete_hook=delete_hook,
 
94
            *args, **kwargs)
136
95
        self.update()
137
96
        self.opened = False
138
 
        
139
 
        self.match_objects = (
140
 
            self.proxy.connect_to_signal("CheckerCompleted",
141
 
                                         self.checker_completed,
142
 
                                         client_interface,
143
 
                                         byte_arrays=True),
144
 
            self.proxy.connect_to_signal("CheckerStarted",
145
 
                                         self.checker_started,
146
 
                                         client_interface,
147
 
                                         byte_arrays=True),
148
 
            self.proxy.connect_to_signal("GotSecret",
149
 
                                         self.got_secret,
150
 
                                         client_interface,
151
 
                                         byte_arrays=True),
152
 
            self.proxy.connect_to_signal("NeedApproval",
153
 
                                         self.need_approval,
154
 
                                         client_interface,
155
 
                                         byte_arrays=True),
156
 
            self.proxy.connect_to_signal("Rejected",
157
 
                                         self.rejected,
158
 
                                         client_interface,
159
 
                                         byte_arrays=True))
160
 
        self.logger('Created client {}'
161
 
                    .format(self.properties["Name"]), level=0)
162
 
    
163
 
    def using_timer(self, flag):
164
 
        """Call this method with True or False when timer should be
165
 
        activated or deactivated.
166
 
        """
167
 
        if flag and self._update_timer_callback_tag is None:
168
 
            # Will update the shown timer value every second
169
 
            self._update_timer_callback_tag = (gobject.timeout_add
170
 
                                               (1000,
171
 
                                                self.update_timer))
172
 
        elif not (flag or self._update_timer_callback_tag is None):
173
 
            gobject.source_remove(self._update_timer_callback_tag)
174
 
            self._update_timer_callback_tag = None
175
 
    
176
 
    def checker_completed(self, exitstatus, signal, command):
 
97
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
98
                                     self.checker_completed,
 
99
                                     client_interface,
 
100
                                     byte_arrays=True)
 
101
        self.proxy.connect_to_signal(u"CheckerStarted",
 
102
                                     self.checker_started,
 
103
                                     client_interface,
 
104
                                     byte_arrays=True)
 
105
        self.proxy.connect_to_signal(u"GotSecret",
 
106
                                     self.got_secret,
 
107
                                     client_interface,
 
108
                                     byte_arrays=True)
 
109
        self.proxy.connect_to_signal(u"NeedApproval",
 
110
                                     self.need_approval,
 
111
                                     client_interface,
 
112
                                     byte_arrays=True)
 
113
        self.proxy.connect_to_signal(u"Rejected",
 
114
                                     self.rejected,
 
115
                                     client_interface,
 
116
                                     byte_arrays=True)
 
117
    
 
118
    def checker_completed(self, exitstatus, condition, command):
177
119
        if exitstatus == 0:
178
 
            self.logger('Checker for client {} (command "{}")'
179
 
                        ' succeeded'.format(self.properties["Name"],
180
 
                                            command), level=0)
181
 
            self.update()
182
 
            return
183
 
        # Checker failed
184
 
        if exitstatus >= 0:
185
 
            self.logger('Checker for client {} (command "{}") failed'
186
 
                        ' with exit code {}'
187
 
                        .format(self.properties["Name"], command,
188
 
                                exitstatus))
189
 
        elif signal != 0:
190
 
            self.logger('Checker for client {} (command "{}") was'
191
 
                        ' killed by signal {}'
192
 
                        .format(self.properties["Name"], command,
193
 
                                signal))
194
 
        else:
195
 
            self.logger('Checker for client {} completed'
196
 
                        ' mysteriously'
197
 
                        .format(self.properties["Name"]))
198
 
        self.update()
 
120
            #self.logger(u'Checker for client %s (command "%s")'
 
121
            #            u' was successful'
 
122
            #            % (self.properties[u"name"], command))
 
123
            return
 
124
        if os.WIFEXITED(condition):
 
125
            self.logger(u'Checker for client %s (command "%s")'
 
126
                        u' failed with exit code %s'
 
127
                        % (self.properties[u"name"], command,
 
128
                           os.WEXITSTATUS(condition)))
 
129
            return
 
130
        if os.WIFSIGNALED(condition):
 
131
            self.logger(u'Checker for client %s (command "%s")'
 
132
                        u' was killed by signal %s'
 
133
                        % (self.properties[u"name"], command,
 
134
                           os.WTERMSIG(condition)))
 
135
            return
 
136
        if os.WCOREDUMP(condition):
 
137
            self.logger(u'Checker for client %s (command "%s")'
 
138
                        u' dumped core'
 
139
                        % (self.properties[u"name"], command))
 
140
        self.logger(u'Checker for client %s completed mysteriously')
199
141
    
200
142
    def checker_started(self, command):
201
 
        """Server signals that a checker started."""
202
 
        self.logger('Client {} started checker "{}"'
203
 
                    .format(self.properties["Name"],
204
 
                            command), level=0)
 
143
        #self.logger(u'Client %s started checker "%s"'
 
144
        #            % (self.properties[u"name"], unicode(command)))
 
145
        pass
205
146
    
206
147
    def got_secret(self):
207
 
        self.logger('Client {} received its secret'
208
 
                    .format(self.properties["Name"]))
 
148
        self.logger(u'Client %s received its secret'
 
149
                    % self.properties[u"name"])
209
150
    
210
151
    def need_approval(self, timeout, default):
211
152
        if not default:
212
 
            message = 'Client {} needs approval within {} seconds'
 
153
            message = u'Client %s needs approval within %s seconds'
213
154
        else:
214
 
            message = 'Client {} will get its secret in {} seconds'
215
 
        self.logger(message.format(self.properties["Name"],
216
 
                                   timeout/1000))
 
155
            message = u'Client %s will get its secret in %s seconds'
 
156
        self.logger(message
 
157
                    % (self.properties[u"name"], timeout/1000))
217
158
    
218
159
    def rejected(self, reason):
219
 
        self.logger('Client {} was rejected; reason: {}'
220
 
                    .format(self.properties["Name"], reason))
 
160
        self.logger(u'Client %s was rejected; reason: %s'
 
161
                    % (self.properties[u"name"], reason))
221
162
    
222
163
    def selectable(self):
223
164
        """Make this a "selectable" widget.
224
165
        This overrides the method from urwid.FlowWidget."""
225
166
        return True
226
167
    
227
 
    def rows(self, maxcolrow, focus=False):
 
168
    def rows(self, (maxcol,), focus=False):
228
169
        """How many rows this widget will occupy might depend on
229
170
        whether we have focus or not.
230
171
        This overrides the method from urwid.FlowWidget"""
231
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
172
        return self.current_widget(focus).rows((maxcol,), focus=focus)
232
173
    
233
174
    def current_widget(self, focus=False):
234
175
        if focus or self.opened:
238
179
    def update(self):
239
180
        "Called when what is visible on the screen should be updated."
240
181
        # How to add standout mode to a style
241
 
        with_standout = { "normal": "standout",
242
 
                          "bold": "bold-standout",
243
 
                          "underline-blink":
244
 
                              "underline-blink-standout",
245
 
                          "bold-underline-blink":
246
 
                              "bold-underline-blink-standout",
 
182
        with_standout = { u"normal": u"standout",
 
183
                          u"bold": u"bold-standout",
 
184
                          u"underline-blink":
 
185
                              u"underline-blink-standout",
 
186
                          u"bold-underline-blink":
 
187
                              u"bold-underline-blink-standout",
247
188
                          }
248
 
        
 
189
 
249
190
        # Rebuild focus and non-focus widgets using current properties
250
 
        
 
191
 
251
192
        # Base part of a client. Name!
252
 
        base = '{name}: '.format(name=self.properties["Name"])
253
 
        if not self.properties["Enabled"]:
254
 
            message = "DISABLED"
255
 
            self.using_timer(False)
256
 
        elif self.properties["ApprovalPending"]:
257
 
            timeout = datetime.timedelta(milliseconds
258
 
                                         = self.properties
259
 
                                         ["ApprovalDelay"])
260
 
            last_approval_request = isoformat_to_datetime(
261
 
                self.properties["LastApprovalRequest"])
262
 
            if last_approval_request is not None:
263
 
                timer = max(timeout - (datetime.datetime.utcnow()
264
 
                                       - last_approval_request),
265
 
                            datetime.timedelta())
266
 
            else:
267
 
                timer = datetime.timedelta()
268
 
            if self.properties["ApprovedByDefault"]:
269
 
                message = "Approval in {}. (d)eny?"
270
 
            else:
271
 
                message = "Denial in {}. (a)pprove?"
272
 
            message = message.format(str(timer).rsplit(".", 1)[0])
273
 
            self.using_timer(True)
274
 
        elif self.properties["LastCheckerStatus"] != 0:
275
 
            # When checker has failed, show timer until client expires
276
 
            expires = self.properties["Expires"]
277
 
            if expires == "":
278
 
                timer = datetime.timedelta(0)
279
 
            else:
280
 
                expires = (datetime.datetime.strptime
281
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
282
 
                timer = max(expires - datetime.datetime.utcnow(),
283
 
                            datetime.timedelta())
284
 
            message = ('A checker has failed! Time until client'
285
 
                       ' gets disabled: {}'
286
 
                       .format(str(timer).rsplit(".", 1)[0]))
287
 
            self.using_timer(True)
 
193
        self._text = (u'%(name)s: '
 
194
                      % {u"name": self.properties[u"name"]})
 
195
 
 
196
        if self.properties[u"approved_pending"]:
 
197
            if self.properties[u"approved_by_default"]:
 
198
                self._text += u"Connection established to client. (d)eny?"
 
199
            else:
 
200
                self._text += u"Seeks approval to send secret. (a)pprove?"
288
201
        else:
289
 
            message = "enabled"
290
 
            self.using_timer(False)
291
 
        self._text = "{}{}".format(base, message)
292
 
        
 
202
            self._text += (u'%(enabled)s'
 
203
                           % {u"enabled":
 
204
                               (u"enabled"
 
205
                                if self.properties[u"enabled"]
 
206
                                else u"DISABLED")})
293
207
        if not urwid.supports_unicode():
294
208
            self._text = self._text.encode("ascii", "replace")
295
 
        textlist = [("normal", self._text)]
 
209
        textlist = [(u"normal", self._text)]
296
210
        self._text_widget.set_text(textlist)
297
211
        self._focus_text_widget.set_text([(with_standout[text[0]],
298
212
                                           text[1])
306
220
        if self.update_hook is not None:
307
221
            self.update_hook()
308
222
    
309
 
    def update_timer(self):
310
 
        """called by gobject. Will indefinitely loop until
311
 
        gobject.source_remove() on tag is called"""
312
 
        self.update()
313
 
        return True             # Keep calling this
314
 
    
315
 
    def delete(self, **kwargs):
316
 
        if self._update_timer_callback_tag is not None:
317
 
            gobject.source_remove(self._update_timer_callback_tag)
318
 
            self._update_timer_callback_tag = None
319
 
        for match in self.match_objects:
320
 
            match.remove()
321
 
        self.match_objects = ()
 
223
    def delete(self):
322
224
        if self.delete_hook is not None:
323
225
            self.delete_hook(self)
324
 
        return super(MandosClientWidget, self).delete(**kwargs)
325
226
    
326
 
    def render(self, maxcolrow, focus=False):
 
227
    def render(self, (maxcol,), focus=False):
327
228
        """Render differently if we have focus.
328
229
        This overrides the method from urwid.FlowWidget"""
329
 
        return self.current_widget(focus).render(maxcolrow,
 
230
        return self.current_widget(focus).render((maxcol,),
330
231
                                                 focus=focus)
331
232
    
332
 
    def keypress(self, maxcolrow, key):
 
233
    def keypress(self, (maxcol,), key):
333
234
        """Handle keys.
334
235
        This overrides the method from urwid.FlowWidget"""
335
 
        if key == "+":
336
 
            self.proxy.Enable(dbus_interface = client_interface,
337
 
                              ignore_reply=True)
338
 
        elif key == "-":
339
 
            self.proxy.Disable(dbus_interface = client_interface,
340
 
                               ignore_reply=True)
341
 
        elif key == "a":
 
236
        if key == u"+":
 
237
            self.proxy.Enable(dbus_interface = client_interface)
 
238
        elif key == u"-":
 
239
            self.proxy.Disable(dbus_interface = client_interface)
 
240
        elif key == u"a":
342
241
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
343
 
                               dbus_interface = client_interface,
344
 
                               ignore_reply=True)
345
 
        elif key == "d":
 
242
                               dbus_interface = client_interface)
 
243
        elif key == u"d":
346
244
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
347
 
                                  dbus_interface = client_interface,
348
 
                               ignore_reply=True)
349
 
        elif key == "R" or key == "_" or key == "ctrl k":
 
245
                                  dbus_interface = client_interface)
 
246
        elif key == u"r" or key == u"_" or key == u"ctrl k":
350
247
            self.server_proxy_object.RemoveClient(self.proxy
351
 
                                                  .object_path,
352
 
                                                  ignore_reply=True)
353
 
        elif key == "s":
354
 
            self.proxy.StartChecker(dbus_interface = client_interface,
355
 
                                    ignore_reply=True)
356
 
        elif key == "S":
357
 
            self.proxy.StopChecker(dbus_interface = client_interface,
358
 
                                   ignore_reply=True)
359
 
        elif key == "C":
360
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
361
 
                                 ignore_reply=True)
 
248
                                                  .object_path)
 
249
        elif key == u"s":
 
250
            self.proxy.StartChecker(dbus_interface = client_interface)
 
251
        elif key == u"S":
 
252
            self.proxy.StopChecker(dbus_interface = client_interface)
 
253
        elif key == u"C":
 
254
            self.proxy.CheckedOK(dbus_interface = client_interface)
362
255
        # xxx
363
 
#         elif key == "p" or key == "=":
 
256
#         elif key == u"p" or key == "=":
364
257
#             self.proxy.pause()
365
 
#         elif key == "u" or key == ":":
 
258
#         elif key == u"u" or key == ":":
366
259
#             self.proxy.unpause()
367
 
#         elif key == "RET":
 
260
#         elif key == u"RET":
368
261
#             self.open()
 
262
#        elif key == u"+":
 
263
#            self.proxy.Approve(True)
 
264
#        elif key == u"-":
 
265
#            self.proxy.Approve(False)
369
266
        else:
370
267
            return key
371
268
    
372
 
    def properties_changed(self, interface, properties, invalidated):
373
 
        """Call self.update() if any properties changed.
 
269
    def property_changed(self, property=None, value=None,
 
270
                         *args, **kwargs):
 
271
        """Call self.update() if old value is not new value.
374
272
        This overrides the method from MandosClientPropertyCache"""
375
 
        old_values = { key: self.properties.get(key)
376
 
                       for key in properties.keys() }
377
 
        super(MandosClientWidget, self).properties_changed(
378
 
            interface, properties, invalidated)
379
 
        if any(old_values[key] != self.properties.get(key)
380
 
               for key in old_values):
 
273
        property_name = unicode(property)
 
274
        old_value = self.properties.get(property_name)
 
275
        super(MandosClientWidget, self).property_changed(
 
276
            property=property, value=value, *args, **kwargs)
 
277
        if self.properties.get(property_name) != old_value:
381
278
            self.update()
382
279
 
383
280
 
386
283
    "down" key presses, thus not allowing any containing widgets to
387
284
    use them as an excuse to shift focus away from this widget.
388
285
    """
389
 
    def keypress(self, *args, **kwargs):
390
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
391
 
        if ret in ("up", "down"):
 
286
    def keypress(self, (maxcol, maxrow), key):
 
287
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
 
288
        if ret in (u"up", u"down"):
392
289
            return
393
290
        return ret
394
291
 
397
294
    """This is the entire user interface - the whole screen
398
295
    with boxes, lists of client widgets, etc.
399
296
    """
400
 
    def __init__(self, max_log_length=1000, log_level=1):
 
297
    def __init__(self, max_log_length=1000):
401
298
        DBusGMainLoop(set_as_default=True)
402
299
        
403
300
        self.screen = urwid.curses_display.Screen()
404
301
        
405
302
        self.screen.register_palette((
406
 
                ("normal",
407
 
                 "default", "default", None),
408
 
                ("bold",
409
 
                 "bold", "default", "bold"),
410
 
                ("underline-blink",
411
 
                 "underline,blink", "default", "underline,blink"),
412
 
                ("standout",
413
 
                 "standout", "default", "standout"),
414
 
                ("bold-underline-blink",
415
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
416
 
                ("bold-standout",
417
 
                 "bold,standout", "default", "bold,standout"),
418
 
                ("underline-blink-standout",
419
 
                 "underline,blink,standout", "default",
420
 
                 "underline,blink,standout"),
421
 
                ("bold-underline-blink-standout",
422
 
                 "bold,underline,blink,standout", "default",
423
 
                 "bold,underline,blink,standout"),
 
303
                (u"normal",
 
304
                 u"default", u"default", None),
 
305
                (u"bold",
 
306
                 u"default", u"default", u"bold"),
 
307
                (u"underline-blink",
 
308
                 u"default", u"default", u"underline"),
 
309
                (u"standout",
 
310
                 u"default", u"default", u"standout"),
 
311
                (u"bold-underline-blink",
 
312
                 u"default", u"default", (u"bold", u"underline")),
 
313
                (u"bold-standout",
 
314
                 u"default", u"default", (u"bold", u"standout")),
 
315
                (u"underline-blink-standout",
 
316
                 u"default", u"default", (u"underline", u"standout")),
 
317
                (u"bold-underline-blink-standout",
 
318
                 u"default", u"default", (u"bold", u"underline",
 
319
                                          u"standout")),
424
320
                ))
425
321
        
426
322
        if urwid.supports_unicode():
427
 
            self.divider = "─" # \u2500
428
 
            #self.divider = "━" # \u2501
 
323
            self.divider = u"─" # \u2500
 
324
            #self.divider = u"━" # \u2501
429
325
        else:
430
 
            #self.divider = "-" # \u002d
431
 
            self.divider = "_" # \u005f
 
326
            #self.divider = u"-" # \u002d
 
327
            self.divider = u"_" # \u005f
432
328
        
433
329
        self.screen.start()
434
330
        
441
337
        self.log = []
442
338
        self.max_log_length = max_log_length
443
339
        
444
 
        self.log_level = log_level
445
 
        
446
340
        # We keep a reference to the log widget so we can remove it
447
341
        # from the ListWalker without it getting destroyed
448
342
        self.logbox = ConstrainedListBox(self.log)
450
344
        # This keeps track of whether self.uilist currently has
451
345
        # self.logbox in it or not
452
346
        self.log_visible = True
453
 
        self.log_wrap = "any"
 
347
        self.log_wrap = u"any"
454
348
        
455
349
        self.rebuild()
456
 
        self.log_message_raw(("bold",
457
 
                              "Mandos Monitor version " + version))
458
 
        self.log_message_raw(("bold",
459
 
                              "q: Quit  ?: Help"))
 
350
        self.log_message_raw((u"bold",
 
351
                              u"Mandos Monitor version " + version))
 
352
        self.log_message_raw((u"bold",
 
353
                              u"q: Quit  ?: Help"))
460
354
        
461
355
        self.busname = domain + '.Mandos'
462
356
        self.main_loop = gobject.MainLoop()
 
357
        self.bus = dbus.SystemBus()
 
358
        mandos_dbus_objc = self.bus.get_object(
 
359
            self.busname, u"/", follow_name_owner_changes=True)
 
360
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
361
                                          dbus_interface
 
362
                                          = server_interface)
 
363
        try:
 
364
            mandos_clients = (self.mandos_serv
 
365
                              .GetAllClientsWithProperties())
 
366
        except dbus.exceptions.DBusException:
 
367
            mandos_clients = dbus.Dictionary()
 
368
        
 
369
        (self.mandos_serv
 
370
         .connect_to_signal(u"ClientRemoved",
 
371
                            self.find_and_remove_client,
 
372
                            dbus_interface=server_interface,
 
373
                            byte_arrays=True))
 
374
        (self.mandos_serv
 
375
         .connect_to_signal(u"ClientAdded",
 
376
                            self.add_new_client,
 
377
                            dbus_interface=server_interface,
 
378
                            byte_arrays=True))
 
379
        (self.mandos_serv
 
380
         .connect_to_signal(u"ClientNotFound",
 
381
                            self.client_not_found,
 
382
                            dbus_interface=server_interface,
 
383
                            byte_arrays=True))
 
384
        for path, client in mandos_clients.iteritems():
 
385
            client_proxy_object = self.bus.get_object(self.busname,
 
386
                                                      path)
 
387
            self.add_client(MandosClientWidget(server_proxy_object
 
388
                                               =self.mandos_serv,
 
389
                                               proxy_object
 
390
                                               =client_proxy_object,
 
391
                                               properties=client,
 
392
                                               update_hook
 
393
                                               =self.refresh,
 
394
                                               delete_hook
 
395
                                               =self.remove_client,
 
396
                                               logger
 
397
                                               =self.log_message),
 
398
                            path=path)
463
399
    
464
400
    def client_not_found(self, fingerprint, address):
465
 
        self.log_message("Client with address {} and fingerprint {}"
466
 
                         " could not be found"
467
 
                         .format(address, fingerprint))
 
401
        self.log_message((u"Client with address %s and fingerprint %s"
 
402
                          u" could not be found" % (address,
 
403
                                                    fingerprint)))
468
404
    
469
405
    def rebuild(self):
470
406
        """This rebuilds the User Interface.
471
407
        Call this when the widget layout needs to change"""
472
408
        self.uilist = []
473
409
        #self.uilist.append(urwid.ListBox(self.clients))
474
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
475
 
                                                          clients),
 
410
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
476
411
                                       #header=urwid.Divider(),
477
412
                                       header=None,
478
 
                                       footer=
479
 
                                       urwid.Divider(div_char=
480
 
                                                     self.divider)))
 
413
                                       footer=urwid.Divider(div_char=self.divider)))
481
414
        if self.log_visible:
482
415
            self.uilist.append(self.logbox)
 
416
            pass
483
417
        self.topwidget = urwid.Pile(self.uilist)
484
418
    
485
 
    def log_message(self, message, level=1):
486
 
        """Log message formatted with timestamp"""
487
 
        if level < self.log_level:
488
 
            return
 
419
    def log_message(self, message):
489
420
        timestamp = datetime.datetime.now().isoformat()
490
 
        self.log_message_raw("{}: {}".format(timestamp, message),
491
 
                             level=level)
 
421
        self.log_message_raw(timestamp + u": " + message)
492
422
    
493
 
    def log_message_raw(self, markup, level=1):
 
423
    def log_message_raw(self, markup):
494
424
        """Add a log message to the log buffer."""
495
 
        if level < self.log_level:
496
 
            return
497
425
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
498
426
        if (self.max_log_length
499
427
            and len(self.log) > self.max_log_length):
500
428
            del self.log[0:len(self.log)-self.max_log_length-1]
501
429
        self.logbox.set_focus(len(self.logbox.body.contents),
502
 
                              coming_from="above")
 
430
                              coming_from=u"above")
503
431
        self.refresh()
504
432
    
505
433
    def toggle_log_display(self):
506
434
        """Toggle visibility of the log buffer."""
507
435
        self.log_visible = not self.log_visible
508
436
        self.rebuild()
509
 
        self.log_message("Log visibility changed to: {}"
510
 
                         .format(self.log_visible), level=0)
 
437
        self.log_message(u"Log visibility changed to: "
 
438
                         + unicode(self.log_visible))
511
439
    
512
440
    def change_log_display(self):
513
441
        """Change type of log display.
514
442
        Currently, this toggles wrapping of text lines."""
515
 
        if self.log_wrap == "clip":
516
 
            self.log_wrap = "any"
 
443
        if self.log_wrap == u"clip":
 
444
            self.log_wrap = u"any"
517
445
        else:
518
 
            self.log_wrap = "clip"
 
446
            self.log_wrap = u"clip"
519
447
        for textwidget in self.log:
520
448
            textwidget.set_wrap_mode(self.log_wrap)
521
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
522
 
                         level=0)
 
449
        self.log_message(u"Wrap mode: " + self.log_wrap)
523
450
    
524
451
    def find_and_remove_client(self, path, name):
525
 
        """Find a client by its object path and remove it.
 
452
        """Find an client from its object path and remove it.
526
453
        
527
454
        This is connected to the ClientRemoved signal from the
528
455
        Mandos server object."""
530
457
            client = self.clients_dict[path]
531
458
        except KeyError:
532
459
            # not found?
533
 
            self.log_message("Unknown client {!r} ({!r}) removed"
534
 
                             .format(name, path))
535
460
            return
536
 
        client.delete()
 
461
        self.remove_client(client, path)
537
462
    
538
463
    def add_new_client(self, path):
539
464
        client_proxy_object = self.bus.get_object(self.busname, path)
554
479
        if path is None:
555
480
            path = client.proxy.object_path
556
481
        self.clients_dict[path] = client
557
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
482
        self.clients.sort(None, lambda c: c.properties[u"name"])
558
483
        self.refresh()
559
484
    
560
485
    def remove_client(self, client, path=None):
562
487
        if path is None:
563
488
            path = client.proxy.object_path
564
489
        del self.clients_dict[path]
 
490
        if not self.clients_dict:
 
491
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
492
            # is completely emptied, we need to recreate it.
 
493
            self.clients = urwid.SimpleListWalker([])
 
494
            self.rebuild()
565
495
        self.refresh()
566
496
    
567
497
    def refresh(self):
571
501
    
572
502
    def run(self):
573
503
        """Start the main loop and exit when it's done."""
574
 
        self.bus = dbus.SystemBus()
575
 
        mandos_dbus_objc = self.bus.get_object(
576
 
            self.busname, "/", follow_name_owner_changes=True)
577
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
578
 
                                          dbus_interface
579
 
                                          = server_interface)
580
 
        try:
581
 
            mandos_clients = (self.mandos_serv
582
 
                              .GetAllClientsWithProperties())
583
 
            if not mandos_clients:
584
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
585
 
        except dbus.exceptions.DBusException:
586
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
587
 
            mandos_clients = dbus.Dictionary()
588
 
        
589
 
        (self.mandos_serv
590
 
         .connect_to_signal("ClientRemoved",
591
 
                            self.find_and_remove_client,
592
 
                            dbus_interface=server_interface,
593
 
                            byte_arrays=True))
594
 
        (self.mandos_serv
595
 
         .connect_to_signal("ClientAdded",
596
 
                            self.add_new_client,
597
 
                            dbus_interface=server_interface,
598
 
                            byte_arrays=True))
599
 
        (self.mandos_serv
600
 
         .connect_to_signal("ClientNotFound",
601
 
                            self.client_not_found,
602
 
                            dbus_interface=server_interface,
603
 
                            byte_arrays=True))
604
 
        for path, client in mandos_clients.items():
605
 
            client_proxy_object = self.bus.get_object(self.busname,
606
 
                                                      path)
607
 
            self.add_client(MandosClientWidget(server_proxy_object
608
 
                                               =self.mandos_serv,
609
 
                                               proxy_object
610
 
                                               =client_proxy_object,
611
 
                                               properties=client,
612
 
                                               update_hook
613
 
                                               =self.refresh,
614
 
                                               delete_hook
615
 
                                               =self.remove_client,
616
 
                                               logger
617
 
                                               =self.log_message),
618
 
                            path=path)
619
 
        
620
504
        self.refresh()
621
505
        self._input_callback_tag = (gobject.io_add_watch
622
506
                                    (sys.stdin.fileno(),
632
516
    
633
517
    def process_input(self, source, condition):
634
518
        keys = self.screen.get_input()
635
 
        translations = { "ctrl n": "down",      # Emacs
636
 
                         "ctrl p": "up",        # Emacs
637
 
                         "ctrl v": "page down", # Emacs
638
 
                         "meta v": "page up",   # Emacs
639
 
                         " ": "page down",      # less
640
 
                         "f": "page down",      # less
641
 
                         "b": "page up",        # less
642
 
                         "j": "down",           # vi
643
 
                         "k": "up",             # vi
 
519
        translations = { u"ctrl n": u"down",      # Emacs
 
520
                         u"ctrl p": u"up",        # Emacs
 
521
                         u"ctrl v": u"page down", # Emacs
 
522
                         u"meta v": u"page up",   # Emacs
 
523
                         u" ": u"page down",      # less
 
524
                         u"f": u"page down",      # less
 
525
                         u"b": u"page up",        # less
 
526
                         u"j": u"down",           # vi
 
527
                         u"k": u"up",             # vi
644
528
                         }
645
529
        for key in keys:
646
530
            try:
648
532
            except KeyError:    # :-)
649
533
                pass
650
534
            
651
 
            if key == "q" or key == "Q":
 
535
            if key == u"q" or key == u"Q":
652
536
                self.stop()
653
537
                break
654
 
            elif key == "window resize":
 
538
            elif key == u"window resize":
655
539
                self.size = self.screen.get_cols_rows()
656
540
                self.refresh()
657
 
            elif key == "ctrl l":
658
 
                self.screen.clear()
 
541
            elif key == u"\f":  # Ctrl-L
659
542
                self.refresh()
660
 
            elif key == "l" or key == "D":
 
543
            elif key == u"l" or key == u"D":
661
544
                self.toggle_log_display()
662
545
                self.refresh()
663
 
            elif key == "w" or key == "i":
 
546
            elif key == u"w" or key == u"i":
664
547
                self.change_log_display()
665
548
                self.refresh()
666
 
            elif key == "?" or key == "f1" or key == "esc":
 
549
            elif key == u"?" or key == u"f1" or key == u"esc":
667
550
                if not self.log_visible:
668
551
                    self.log_visible = True
669
552
                    self.rebuild()
670
 
                self.log_message_raw(("bold",
671
 
                                      "  ".
672
 
                                      join(("q: Quit",
673
 
                                            "?: Help",
674
 
                                            "l: Log window toggle",
675
 
                                            "TAB: Switch window",
676
 
                                            "w: Wrap (log lines)",
677
 
                                            "v: Toggle verbose log",
678
 
                                            ))))
679
 
                self.log_message_raw(("bold",
680
 
                                      "  "
681
 
                                      .join(("Clients:",
682
 
                                             "+: Enable",
683
 
                                             "-: Disable",
684
 
                                             "R: Remove",
685
 
                                             "s: Start new checker",
686
 
                                             "S: Stop checker",
687
 
                                             "C: Checker OK",
688
 
                                             "a: Approve",
689
 
                                             "d: Deny"))))
 
553
                self.log_message_raw((u"bold",
 
554
                                      u"  ".
 
555
                                      join((u"q: Quit",
 
556
                                            u"?: Help",
 
557
                                            u"l: Log window toggle",
 
558
                                            u"TAB: Switch window",
 
559
                                            u"w: Wrap (log)"))))
 
560
                self.log_message_raw((u"bold",
 
561
                                      u"  "
 
562
                                      .join((u"Clients:",
 
563
                                             u"+: Enable",
 
564
                                             u"-: Disable",
 
565
                                             u"r: Remove",
 
566
                                             u"s: Start new checker",
 
567
                                             u"S: Stop checker",
 
568
                                             u"C: Checker OK",
 
569
                                             u"a: Approve",
 
570
                                             u"d: Deny"))))
690
571
                self.refresh()
691
 
            elif key == "tab":
 
572
            elif key == u"tab":
692
573
                if self.topwidget.get_focus() is self.logbox:
693
574
                    self.topwidget.set_focus(0)
694
575
                else:
695
576
                    self.topwidget.set_focus(self.logbox)
696
577
                self.refresh()
697
 
            elif key == "v":
698
 
                if self.log_level == 0:
699
 
                    self.log_level = 1
700
 
                    self.log_message("Verbose mode: Off")
701
 
                else:
702
 
                    self.log_level = 0
703
 
                    self.log_message("Verbose mode: On")
704
 
            #elif (key == "end" or key == "meta >" or key == "G"
705
 
            #      or key == ">"):
 
578
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
579
            #      or key == u">"):
706
580
            #    pass            # xxx end-of-buffer
707
 
            #elif (key == "home" or key == "meta <" or key == "g"
708
 
            #      or key == "<"):
 
581
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
582
            #      or key == u"<"):
709
583
            #    pass            # xxx beginning-of-buffer
710
 
            #elif key == "ctrl e" or key == "$":
 
584
            #elif key == u"ctrl e" or key == u"$":
711
585
            #    pass            # xxx move-end-of-line
712
 
            #elif key == "ctrl a" or key == "^":
 
586
            #elif key == u"ctrl a" or key == u"^":
713
587
            #    pass            # xxx move-beginning-of-line
714
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
588
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
715
589
            #    pass            # xxx left
716
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
590
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
717
591
            #    pass            # xxx right
718
 
            #elif key == "a":
 
592
            #elif key == u"a":
719
593
            #    pass            # scroll up log
720
 
            #elif key == "z":
 
594
            #elif key == u"z":
721
595
            #    pass            # scroll down log
722
596
            elif self.topwidget.selectable():
723
597
                self.topwidget.keypress(self.size, key)
727
601
ui = UserInterface()
728
602
try:
729
603
    ui.run()
730
 
except KeyboardInterrupt:
731
 
    ui.screen.stop()
732
 
except Exception as e:
733
 
    ui.log_message(str(e))
 
604
except Exception, e:
 
605
    ui.log_message(unicode(e))
734
606
    ui.screen.stop()
735
607
    raise