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* mandos: Do not write pid file if --debug is passed.
* mandos.xml (FILES): Pid file only records pid of latest server.

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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"
 
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)
64
42
 
65
43
def isoformat_to_datetime(iso):
66
44
    "Parse an ISO 8601 date string to a datetime.datetime()"
67
45
    if not iso:
68
46
        return None
69
 
    d, t = iso.split("T", 1)
70
 
    year, month, day = d.split("-", 2)
71
 
    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)
72
50
    second, fraction = divmod(float(second), 1)
73
51
    return datetime.datetime(int(year),
74
52
                             int(month),
83
61
    properties and calls a hook function when any of them are
84
62
    changed.
85
63
    """
86
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
64
    def __init__(self, proxy_object=None, *args, **kwargs):
87
65
        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)
 
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)
102
80
    
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.
 
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.
106
84
        """
107
85
        # Update properties dict with new value
108
 
        self.properties.update(properties)
109
 
    
110
 
    def delete(self):
111
 
        self.property_changed_match.remove()
 
86
        self.properties[property] = value
112
87
 
113
88
 
114
89
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
116
91
    """
117
92
    
118
93
    def __init__(self, server_proxy_object=None, update_hook=None,
119
 
                 delete_hook=None, logger=None, **kwargs):
 
94
                 delete_hook=None, logger=None, *args, **kwargs):
120
95
        # Called on update
121
96
        self.update_hook = update_hook
122
97
        # Called on delete
127
102
        self.logger = logger
128
103
        
129
104
        self._update_timer_callback_tag = None
 
105
        self.last_checker_failed = False
130
106
        
131
107
        # The widget shown normally
132
 
        self._text_widget = urwid.Text("")
 
108
        self._text_widget = urwid.Text(u"")
133
109
        # The widget shown when we have focus
134
 
        self._focus_text_widget = urwid.Text("")
135
 
        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)
136
114
        self.update()
137
115
        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
 
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:
169
148
            self._update_timer_callback_tag = (gobject.timeout_add
170
149
                                               (1000,
171
150
                                                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
151
    
176
152
    def checker_completed(self, exitstatus, condition, command):
177
153
        if exitstatus == 0:
178
 
            self.logger('Checker for client {} (command "{}")'
179
 
                        ' succeeded'.format(self.properties["Name"],
180
 
                                            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))
181
161
            self.update()
182
162
            return
183
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))
184
169
        if os.WIFEXITED(condition):
185
 
            self.logger('Checker for client {} (command "{}") failed'
186
 
                        ' with exit code {}'
187
 
                        .format(self.properties["Name"], command,
188
 
                                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)))
189
174
        elif os.WIFSIGNALED(condition):
190
 
            self.logger('Checker for client {} (command "{}") was'
191
 
                        ' killed by signal {}'
192
 
                        .format(self.properties["Name"], command,
193
 
                                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')
194
186
        self.update()
195
187
    
196
188
    def checker_started(self, command):
197
 
        """Server signals that a checker started."""
198
 
        self.logger('Client {} started checker "{}"'
199
 
                    .format(self.properties["Name"],
200
 
                            command), level=0)
 
189
        #self.logger(u'Client %s started checker "%s"'
 
190
        #            % (self.properties[u"Name"], unicode(command)))
 
191
        pass
201
192
    
202
193
    def got_secret(self):
203
 
        self.logger('Client {} received its secret'
204
 
                    .format(self.properties["Name"]))
 
194
        self.last_checker_failed = False
 
195
        self.logger(u'Client %s received its secret'
 
196
                    % self.properties[u"Name"])
205
197
    
206
198
    def need_approval(self, timeout, default):
207
199
        if not default:
208
 
            message = 'Client {} needs approval within {} seconds'
 
200
            message = u'Client %s needs approval within %s seconds'
209
201
        else:
210
 
            message = 'Client {} will get its secret in {} seconds'
211
 
        self.logger(message.format(self.properties["Name"],
212
 
                                   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))
213
205
    
214
206
    def rejected(self, reason):
215
 
        self.logger('Client {} was rejected; reason: {}'
216
 
                    .format(self.properties["Name"], reason))
 
207
        self.logger(u'Client %s was rejected; reason: %s'
 
208
                    % (self.properties[u"Name"], reason))
217
209
    
218
210
    def selectable(self):
219
211
        """Make this a "selectable" widget.
220
212
        This overrides the method from urwid.FlowWidget."""
221
213
        return True
222
214
    
223
 
    def rows(self, maxcolrow, focus=False):
 
215
    def rows(self, (maxcol,), focus=False):
224
216
        """How many rows this widget will occupy might depend on
225
217
        whether we have focus or not.
226
218
        This overrides the method from urwid.FlowWidget"""
227
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
219
        return self.current_widget(focus).rows((maxcol,), focus=focus)
228
220
    
229
221
    def current_widget(self, focus=False):
230
222
        if focus or self.opened:
234
226
    def update(self):
235
227
        "Called when what is visible on the screen should be updated."
236
228
        # How to add standout mode to a style
237
 
        with_standout = { "normal": "standout",
238
 
                          "bold": "bold-standout",
239
 
                          "underline-blink":
240
 
                              "underline-blink-standout",
241
 
                          "bold-underline-blink":
242
 
                              "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",
243
235
                          }
244
 
        
 
236
 
245
237
        # Rebuild focus and non-focus widgets using current properties
246
 
        
 
238
 
247
239
        # Base part of a client. Name!
248
 
        base = '{name}: '.format(name=self.properties["Name"])
249
 
        if not self.properties["Enabled"]:
250
 
            message = "DISABLED"
251
 
            self.using_timer(False)
252
 
        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:
253
250
            timeout = datetime.timedelta(milliseconds
254
251
                                         = self.properties
255
 
                                         ["ApprovalDelay"])
256
 
            last_approval_request = isoformat_to_datetime(
257
 
                self.properties["LastApprovalRequest"])
258
 
            if last_approval_request is not None:
259
 
                timer = max(timeout - (datetime.datetime.utcnow()
260
 
                                       - last_approval_request),
261
 
                            datetime.timedelta())
262
 
            else:
263
 
                timer = datetime.timedelta()
264
 
            if self.properties["ApprovedByDefault"]:
265
 
                message = "Approval in {}. (d)eny?"
266
 
            else:
267
 
                message = "Denial in {}. (a)pprove?"
268
 
            message = message.format(str(timer).rsplit(".", 1)[0])
269
 
            self.using_timer(True)
270
 
        elif self.properties["LastCheckerStatus"] != 0:
271
 
            # When checker has failed, show timer until client expires
272
 
            expires = self.properties["Expires"]
273
 
            if expires == "":
274
 
                timer = datetime.timedelta(0)
275
 
            else:
276
 
                expires = (datetime.datetime.strptime
277
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
278
 
                timer = max(expires - datetime.datetime.utcnow(),
279
 
                            datetime.timedelta())
280
 
            message = ('A checker has failed! Time until client'
281
 
                       ' gets disabled: {}'
282
 
                       .format(str(timer).rsplit(".", 1)[0]))
283
 
            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 diabled: %s'
 
260
                           % unicode(timer).rsplit(".", 1)[0])
284
261
        else:
285
 
            message = "enabled"
286
 
            self.using_timer(False)
287
 
        self._text = "{}{}".format(base, message)
288
 
        
 
262
            message = u"enabled"
 
263
        self._text = "%s%s" % (base, message)
 
264
            
289
265
        if not urwid.supports_unicode():
290
266
            self._text = self._text.encode("ascii", "replace")
291
 
        textlist = [("normal", self._text)]
 
267
        textlist = [(u"normal", self._text)]
292
268
        self._text_widget.set_text(textlist)
293
269
        self._focus_text_widget.set_text([(with_standout[text[0]],
294
270
                                           text[1])
303
279
            self.update_hook()
304
280
    
305
281
    def update_timer(self):
306
 
        """called by gobject. Will indefinitely loop until
307
 
        gobject.source_remove() on tag is called"""
 
282
        "called by gobject"
308
283
        self.update()
309
284
        return True             # Keep calling this
310
285
    
311
 
    def delete(self, **kwargs):
 
286
    def delete(self):
312
287
        if self._update_timer_callback_tag is not None:
313
288
            gobject.source_remove(self._update_timer_callback_tag)
314
289
            self._update_timer_callback_tag = None
315
 
        for match in self.match_objects:
316
 
            match.remove()
317
 
        self.match_objects = ()
318
290
        if self.delete_hook is not None:
319
291
            self.delete_hook(self)
320
 
        return super(MandosClientWidget, self).delete(**kwargs)
321
292
    
322
 
    def render(self, maxcolrow, focus=False):
 
293
    def render(self, (maxcol,), focus=False):
323
294
        """Render differently if we have focus.
324
295
        This overrides the method from urwid.FlowWidget"""
325
 
        return self.current_widget(focus).render(maxcolrow,
 
296
        return self.current_widget(focus).render((maxcol,),
326
297
                                                 focus=focus)
327
298
    
328
 
    def keypress(self, maxcolrow, key):
 
299
    def keypress(self, (maxcol,), key):
329
300
        """Handle keys.
330
301
        This overrides the method from urwid.FlowWidget"""
331
 
        if key == "+":
332
 
            self.proxy.Set(client_interface, "Enabled",
333
 
                           dbus.Boolean(True), ignore_reply = True,
334
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
335
 
        elif key == "-":
336
 
            self.proxy.Set(client_interface, "Enabled", False,
337
 
                           ignore_reply = True,
338
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
339
 
        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":
340
307
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
341
 
                               dbus_interface = client_interface,
342
 
                               ignore_reply=True)
343
 
        elif key == "d":
 
308
                               dbus_interface = client_interface)
 
309
        elif key == u"d":
344
310
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
345
 
                                  dbus_interface = client_interface,
346
 
                               ignore_reply=True)
347
 
        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":
348
313
            self.server_proxy_object.RemoveClient(self.proxy
349
 
                                                  .object_path,
350
 
                                                  ignore_reply=True)
351
 
        elif key == "s":
352
 
            self.proxy.Set(client_interface, "CheckerRunning",
353
 
                           dbus.Boolean(True), ignore_reply = True,
354
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
355
 
        elif key == "S":
356
 
            self.proxy.Set(client_interface, "CheckerRunning",
357
 
                           dbus.Boolean(False), ignore_reply = True,
358
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
359
 
        elif key == "C":
360
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
361
 
                                 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)
362
321
        # xxx
363
 
#         elif key == "p" or key == "=":
 
322
#         elif key == u"p" or key == "=":
364
323
#             self.proxy.pause()
365
 
#         elif key == "u" or key == ":":
 
324
#         elif key == u"u" or key == ":":
366
325
#             self.proxy.unpause()
367
 
#         elif key == "RET":
 
326
#         elif key == u"RET":
368
327
#             self.open()
369
328
        else:
370
329
            return key
371
330
    
372
 
    def properties_changed(self, interface, properties, invalidated):
373
 
        """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.
374
334
        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):
 
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:
381
340
            self.update()
382
341
 
383
342
 
386
345
    "down" key presses, thus not allowing any containing widgets to
387
346
    use them as an excuse to shift focus away from this widget.
388
347
    """
389
 
    def keypress(self, *args, **kwargs):
390
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
391
 
        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"):
392
352
            return
393
353
        return ret
394
354
 
397
357
    """This is the entire user interface - the whole screen
398
358
    with boxes, lists of client widgets, etc.
399
359
    """
400
 
    def __init__(self, max_log_length=1000, log_level=1):
 
360
    def __init__(self, max_log_length=1000):
401
361
        DBusGMainLoop(set_as_default=True)
402
362
        
403
363
        self.screen = urwid.curses_display.Screen()
404
364
        
405
365
        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"),
 
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")),
424
383
                ))
425
384
        
426
385
        if urwid.supports_unicode():
427
 
            self.divider = "─" # \u2500
428
 
            #self.divider = "━" # \u2501
 
386
            self.divider = u"─" # \u2500
 
387
            #self.divider = u"━" # \u2501
429
388
        else:
430
 
            #self.divider = "-" # \u002d
431
 
            self.divider = "_" # \u005f
 
389
            #self.divider = u"-" # \u002d
 
390
            self.divider = u"_" # \u005f
432
391
        
433
392
        self.screen.start()
434
393
        
441
400
        self.log = []
442
401
        self.max_log_length = max_log_length
443
402
        
444
 
        self.log_level = log_level
445
 
        
446
403
        # We keep a reference to the log widget so we can remove it
447
404
        # from the ListWalker without it getting destroyed
448
405
        self.logbox = ConstrainedListBox(self.log)
450
407
        # This keeps track of whether self.uilist currently has
451
408
        # self.logbox in it or not
452
409
        self.log_visible = True
453
 
        self.log_wrap = "any"
 
410
        self.log_wrap = u"any"
454
411
        
455
412
        self.rebuild()
456
 
        self.log_message_raw(("bold",
457
 
                              "Mandos Monitor version " + version))
458
 
        self.log_message_raw(("bold",
459
 
                              "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"))
460
417
        
461
418
        self.busname = domain + '.Mandos'
462
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)
463
462
    
464
463
    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))
 
464
        self.log_message((u"Client with address %s and fingerprint %s"
 
465
                          u" could not be found" % (address,
 
466
                                                    fingerprint)))
468
467
    
469
468
    def rebuild(self):
470
469
        """This rebuilds the User Interface.
480
479
                                                     self.divider)))
481
480
        if self.log_visible:
482
481
            self.uilist.append(self.logbox)
 
482
            pass
483
483
        self.topwidget = urwid.Pile(self.uilist)
484
484
    
485
 
    def log_message(self, message, level=1):
486
 
        """Log message formatted with timestamp"""
487
 
        if level < self.log_level:
488
 
            return
 
485
    def log_message(self, message):
489
486
        timestamp = datetime.datetime.now().isoformat()
490
 
        self.log_message_raw("{}: {}".format(timestamp, message),
491
 
                             level=level)
 
487
        self.log_message_raw(timestamp + u": " + message)
492
488
    
493
 
    def log_message_raw(self, markup, level=1):
 
489
    def log_message_raw(self, markup):
494
490
        """Add a log message to the log buffer."""
495
 
        if level < self.log_level:
496
 
            return
497
491
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
498
492
        if (self.max_log_length
499
493
            and len(self.log) > self.max_log_length):
500
494
            del self.log[0:len(self.log)-self.max_log_length-1]
501
495
        self.logbox.set_focus(len(self.logbox.body.contents),
502
 
                              coming_from="above")
 
496
                              coming_from=u"above")
503
497
        self.refresh()
504
498
    
505
499
    def toggle_log_display(self):
506
500
        """Toggle visibility of the log buffer."""
507
501
        self.log_visible = not self.log_visible
508
502
        self.rebuild()
509
 
        self.log_message("Log visibility changed to: {}"
510
 
                         .format(self.log_visible), level=0)
 
503
        #self.log_message(u"Log visibility changed to: "
 
504
        #                 + unicode(self.log_visible))
511
505
    
512
506
    def change_log_display(self):
513
507
        """Change type of log display.
514
508
        Currently, this toggles wrapping of text lines."""
515
 
        if self.log_wrap == "clip":
516
 
            self.log_wrap = "any"
 
509
        if self.log_wrap == u"clip":
 
510
            self.log_wrap = u"any"
517
511
        else:
518
 
            self.log_wrap = "clip"
 
512
            self.log_wrap = u"clip"
519
513
        for textwidget in self.log:
520
514
            textwidget.set_wrap_mode(self.log_wrap)
521
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
522
 
                         level=0)
 
515
        #self.log_message(u"Wrap mode: " + self.log_wrap)
523
516
    
524
517
    def find_and_remove_client(self, path, name):
525
 
        """Find a client by its object path and remove it.
 
518
        """Find an client from its object path and remove it.
526
519
        
527
520
        This is connected to the ClientRemoved signal from the
528
521
        Mandos server object."""
530
523
            client = self.clients_dict[path]
531
524
        except KeyError:
532
525
            # not found?
533
 
            self.log_message("Unknown client {!r} ({!r}) removed"
534
 
                             .format(name, path))
535
526
            return
536
 
        client.delete()
 
527
        self.remove_client(client, path)
537
528
    
538
529
    def add_new_client(self, path):
539
530
        client_proxy_object = self.bus.get_object(self.busname, path)
554
545
        if path is None:
555
546
            path = client.proxy.object_path
556
547
        self.clients_dict[path] = client
557
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
548
        self.clients.sort(None, lambda c: c.properties[u"Name"])
558
549
        self.refresh()
559
550
    
560
551
    def remove_client(self, client, path=None):
562
553
        if path is None:
563
554
            path = client.proxy.object_path
564
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()
565
561
        self.refresh()
566
562
    
567
563
    def refresh(self):
571
567
    
572
568
    def run(self):
573
569
        """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
570
        self.refresh()
621
571
        self._input_callback_tag = (gobject.io_add_watch
622
572
                                    (sys.stdin.fileno(),
632
582
    
633
583
    def process_input(self, source, condition):
634
584
        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
 
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
644
594
                         }
645
595
        for key in keys:
646
596
            try:
648
598
            except KeyError:    # :-)
649
599
                pass
650
600
            
651
 
            if key == "q" or key == "Q":
 
601
            if key == u"q" or key == u"Q":
652
602
                self.stop()
653
603
                break
654
 
            elif key == "window resize":
 
604
            elif key == u"window resize":
655
605
                self.size = self.screen.get_cols_rows()
656
606
                self.refresh()
657
 
            elif key == "ctrl l":
658
 
                self.screen.clear()
 
607
            elif key == u"\f":  # Ctrl-L
659
608
                self.refresh()
660
 
            elif key == "l" or key == "D":
 
609
            elif key == u"l" or key == u"D":
661
610
                self.toggle_log_display()
662
611
                self.refresh()
663
 
            elif key == "w" or key == "i":
 
612
            elif key == u"w" or key == u"i":
664
613
                self.change_log_display()
665
614
                self.refresh()
666
 
            elif key == "?" or key == "f1" or key == "esc":
 
615
            elif key == u"?" or key == u"f1" or key == u"esc":
667
616
                if not self.log_visible:
668
617
                    self.log_visible = True
669
618
                    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"))))
 
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"))))
690
637
                self.refresh()
691
 
            elif key == "tab":
 
638
            elif key == u"tab":
692
639
                if self.topwidget.get_focus() is self.logbox:
693
640
                    self.topwidget.set_focus(0)
694
641
                else:
695
642
                    self.topwidget.set_focus(self.logbox)
696
643
                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 == ">"):
 
644
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
645
            #      or key == u">"):
706
646
            #    pass            # xxx end-of-buffer
707
 
            #elif (key == "home" or key == "meta <" or key == "g"
708
 
            #      or key == "<"):
 
647
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
648
            #      or key == u"<"):
709
649
            #    pass            # xxx beginning-of-buffer
710
 
            #elif key == "ctrl e" or key == "$":
 
650
            #elif key == u"ctrl e" or key == u"$":
711
651
            #    pass            # xxx move-end-of-line
712
 
            #elif key == "ctrl a" or key == "^":
 
652
            #elif key == u"ctrl a" or key == u"^":
713
653
            #    pass            # xxx move-beginning-of-line
714
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
654
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
715
655
            #    pass            # xxx left
716
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
656
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
717
657
            #    pass            # xxx right
718
 
            #elif key == "a":
 
658
            #elif key == u"a":
719
659
            #    pass            # scroll up log
720
 
            #elif key == "z":
 
660
            #elif key == u"z":
721
661
            #    pass            # scroll down log
722
662
            elif self.topwidget.selectable():
723
663
                self.topwidget.keypress(self.size, key)
729
669
    ui.run()
730
670
except KeyboardInterrupt:
731
671
    ui.screen.stop()
732
 
except Exception as e:
733
 
    ui.log_message(str(e))
 
672
except Exception, e:
 
673
    ui.log_message(unicode(e))
734
674
    ui.screen.stop()
735
675
    raise