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* Makefile (LINK_FORTIFY_LD): Bug fix: removed "-fPIE".
* mandos-keygen: Bug fix: Fix quoting for the "--password" option.

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1
 
#!/usr/bin/python3 -bbI
 
1
#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
3
 
#
4
 
# Mandos Monitor - Control and monitor the Mandos server
5
 
#
6
 
# Copyright © 2009-2019 Teddy Hogeborn
7
 
# Copyright © 2009-2019 Björn Påhlsson
8
 
#
9
 
# This file is part of Mandos.
10
 
#
11
 
# Mandos is free software: you can redistribute it and/or modify it
12
 
# under the terms of the GNU General Public License as published by
13
 
# the Free Software Foundation, either version 3 of the License, or
14
 
# (at your option) any later version.
15
 
#
16
 
#     Mandos is distributed in the hope that it will be useful, but
17
 
#     WITHOUT ANY WARRANTY; without even the implied warranty of
18
 
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19
 
#     GNU General Public License for more details.
20
 
#
21
 
# You should have received a copy of the GNU General Public License
22
 
# along with Mandos.  If not, see <http://www.gnu.org/licenses/>.
23
 
#
24
 
# Contact the authors at <mandos@recompile.se>.
25
 
#
26
 
from __future__ import (division, absolute_import, print_function,
27
 
                        unicode_literals)
28
3
 
29
 
try:
30
 
    from future_builtins import *
31
 
except ImportError:
32
 
    pass
 
4
from __future__ import division, absolute_import, with_statement
33
5
 
34
6
import sys
35
 
import logging
36
7
import os
37
 
import warnings
 
8
import signal
 
9
 
38
10
import datetime
39
 
import locale
40
11
 
41
12
import urwid.curses_display
42
13
import urwid
43
14
 
44
15
from dbus.mainloop.glib import DBusGMainLoop
45
 
from gi.repository import GLib
 
16
import gobject
46
17
 
47
18
import dbus
48
19
 
49
 
if sys.version_info.major == 2:
50
 
    __metaclass__ = type
51
 
    str = unicode
52
 
    input = raw_input
53
 
 
54
 
# Show warnings by default
55
 
if not sys.warnoptions:
56
 
    warnings.simplefilter("default")
57
 
 
58
 
log = logging.getLogger(os.path.basename(sys.argv[0]))
59
 
logging.basicConfig(level="NOTSET", # Show all messages
60
 
                    format="%(message)s") # Show basic log messages
61
 
 
62
 
logging.captureWarnings(True)   # Show warnings via the logging system
63
 
 
64
 
locale.setlocale(locale.LC_ALL, "")
65
 
 
66
 
logging.getLogger("dbus.proxies").setLevel(logging.CRITICAL)
 
20
import UserList
67
21
 
68
22
# Some useful constants
69
 
domain = "se.recompile"
70
 
server_interface = domain + ".Mandos"
71
 
client_interface = domain + ".Mandos.Client"
72
 
version = "1.8.14"
73
 
 
74
 
try:
75
 
    dbus.OBJECT_MANAGER_IFACE
76
 
except AttributeError:
77
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
78
 
 
79
 
 
80
 
def isoformat_to_datetime(iso):
81
 
    "Parse an ISO 8601 date string to a datetime.datetime()"
82
 
    if not iso:
83
 
        return None
84
 
    d, t = iso.split("T", 1)
85
 
    year, month, day = d.split("-", 2)
86
 
    hour, minute, second = t.split(":", 2)
87
 
    second, fraction = divmod(float(second), 1)
88
 
    return datetime.datetime(int(year),
89
 
                             int(month),
90
 
                             int(day),
91
 
                             int(hour),
92
 
                             int(minute),
93
 
                             int(second),            # Whole seconds
94
 
                             int(fraction*1000000))  # Microseconds
95
 
 
96
 
 
97
 
class MandosClientPropertyCache:
 
23
domain = 'se.bsnet.fukt'
 
24
server_interface = domain + '.Mandos'
 
25
client_interface = domain + '.Mandos.Client'
 
26
version = "1.0.14"
 
27
 
 
28
# Always run in monochrome mode
 
29
urwid.curses_display.curses.has_colors = lambda : False
 
30
 
 
31
# Urwid doesn't support blinking, but we want it.  Since we have no
 
32
# use for underline on its own, we make underline also always blink.
 
33
urwid.curses_display.curses.A_UNDERLINE |= (
 
34
    urwid.curses_display.curses.A_BLINK)
 
35
 
 
36
class MandosClientPropertyCache(object):
98
37
    """This wraps a Mandos Client D-Bus proxy object, caches the
99
38
    properties and calls a hook function when any of them are
100
39
    changed.
101
40
    """
102
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
103
 
        self.proxy = proxy_object  # Mandos Client proxy object
104
 
        self.properties = dict() if properties is None else properties
105
 
        self.property_changed_match = (
106
 
            self.proxy.connect_to_signal("PropertiesChanged",
107
 
                                         self.properties_changed,
108
 
                                         dbus.PROPERTIES_IFACE,
109
 
                                         byte_arrays=True))
110
 
 
111
 
        if properties is None:
112
 
            self.properties.update(self.proxy.GetAll(
113
 
                client_interface,
114
 
                dbus_interface=dbus.PROPERTIES_IFACE))
115
 
 
116
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
117
 
 
118
 
    def properties_changed(self, interface, properties, invalidated):
119
 
        """This is called whenever we get a PropertiesChanged signal
120
 
        It updates the changed properties in the "properties" dict.
 
41
    def __init__(self, proxy_object=None, properties=None, *args,
 
42
                 **kwargs):
 
43
        self.proxy = proxy_object # Mandos Client proxy object
 
44
        
 
45
        if properties is None:
 
46
            self.properties = dict()
 
47
        else:
 
48
            self.properties = properties
 
49
        self.proxy.connect_to_signal(u"PropertyChanged",
 
50
                                     self.property_changed,
 
51
                                     client_interface,
 
52
                                     byte_arrays=True)
 
53
        
 
54
        if properties is None:
 
55
            self.properties.update(self.proxy.GetAll(client_interface,
 
56
                                                     dbus_interface =
 
57
                                                     dbus.PROPERTIES_IFACE))
 
58
        super(MandosClientPropertyCache, self).__init__(
 
59
            proxy_object=proxy_object,
 
60
            properties=properties, *args, **kwargs)
 
61
    
 
62
    def property_changed(self, property=None, value=None):
 
63
        """This is called whenever we get a PropertyChanged signal
 
64
        It updates the changed property in the "properties" dict.
121
65
        """
122
66
        # Update properties dict with new value
123
 
        if interface == client_interface:
124
 
            self.properties.update(properties)
125
 
 
126
 
    def delete(self):
127
 
        self.property_changed_match.remove()
 
67
        self.properties[property] = value
128
68
 
129
69
 
130
70
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
131
71
    """A Mandos Client which is visible on the screen.
132
72
    """
133
 
 
 
73
    
134
74
    def __init__(self, server_proxy_object=None, update_hook=None,
135
 
                 delete_hook=None, **kwargs):
 
75
                 delete_hook=None, logger=None, *args, **kwargs):
136
76
        # Called on update
137
77
        self.update_hook = update_hook
138
78
        # Called on delete
139
79
        self.delete_hook = delete_hook
140
80
        # Mandos Server proxy object
141
81
        self.server_proxy_object = server_proxy_object
142
 
 
143
 
        self._update_timer_callback_tag = None
144
 
 
 
82
        # Logger
 
83
        self.logger = logger
 
84
        
145
85
        # The widget shown normally
146
 
        self._text_widget = urwid.Text("")
 
86
        self._text_widget = urwid.Text(u"")
147
87
        # The widget shown when we have focus
148
 
        self._focus_text_widget = urwid.Text("")
149
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
88
        self._focus_text_widget = urwid.Text(u"")
 
89
        super(MandosClientWidget, self).__init__(
 
90
            update_hook=update_hook, delete_hook=delete_hook,
 
91
            *args, **kwargs)
150
92
        self.update()
151
93
        self.opened = False
152
 
 
153
 
        self.match_objects = (
154
 
            self.proxy.connect_to_signal("CheckerCompleted",
155
 
                                         self.checker_completed,
156
 
                                         client_interface,
157
 
                                         byte_arrays=True),
158
 
            self.proxy.connect_to_signal("CheckerStarted",
159
 
                                         self.checker_started,
160
 
                                         client_interface,
161
 
                                         byte_arrays=True),
162
 
            self.proxy.connect_to_signal("GotSecret",
163
 
                                         self.got_secret,
164
 
                                         client_interface,
165
 
                                         byte_arrays=True),
166
 
            self.proxy.connect_to_signal("NeedApproval",
167
 
                                         self.need_approval,
168
 
                                         client_interface,
169
 
                                         byte_arrays=True),
170
 
            self.proxy.connect_to_signal("Rejected",
171
 
                                         self.rejected,
172
 
                                         client_interface,
173
 
                                         byte_arrays=True))
174
 
        log.debug("Created client %s", self.properties["Name"])
175
 
 
176
 
    def using_timer(self, flag):
177
 
        """Call this method with True or False when timer should be
178
 
        activated or deactivated.
179
 
        """
180
 
        if flag and self._update_timer_callback_tag is None:
181
 
            # Will update the shown timer value every second
182
 
            self._update_timer_callback_tag = (
183
 
                GLib.timeout_add(1000,
184
 
                                 glib_safely(self.update_timer)))
185
 
        elif not (flag or self._update_timer_callback_tag is None):
186
 
            GLib.source_remove(self._update_timer_callback_tag)
187
 
            self._update_timer_callback_tag = None
188
 
 
 
94
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
95
                                     self.checker_completed,
 
96
                                     client_interface,
 
97
                                     byte_arrays=True)
 
98
        self.proxy.connect_to_signal(u"CheckerStarted",
 
99
                                     self.checker_started,
 
100
                                     client_interface,
 
101
                                     byte_arrays=True)
 
102
        self.proxy.connect_to_signal(u"GotSecret",
 
103
                                     self.got_secret,
 
104
                                     client_interface,
 
105
                                     byte_arrays=True)
 
106
        self.proxy.connect_to_signal(u"Rejected",
 
107
                                     self.rejected,
 
108
                                     client_interface,
 
109
                                     byte_arrays=True)
 
110
    
189
111
    def checker_completed(self, exitstatus, condition, command):
190
112
        if exitstatus == 0:
191
 
            log.debug('Checker for client %s (command "%s")'
192
 
                      " succeeded", self.properties["Name"], command)
193
 
            self.update()
 
113
            self.logger(u'Checker for client %s (command "%s")'
 
114
                        u' was successful'
 
115
                        % (self.properties[u"name"], command))
194
116
            return
195
 
        # Checker failed
196
117
        if os.WIFEXITED(condition):
197
 
            log.info('Checker for client %s (command "%s") failed'
198
 
                     " with exit code %d", self.properties["Name"],
199
 
                     command, os.WEXITSTATUS(condition))
200
 
        elif os.WIFSIGNALED(condition):
201
 
            log.info('Checker for client %s (command "%s") was'
202
 
                     " killed by signal %d", self.properties["Name"],
203
 
                     command, os.WTERMSIG(condition))
204
 
        self.update()
205
 
 
 
118
            self.logger(u'Checker for client %s (command "%s")'
 
119
                        u' failed with exit code %s'
 
120
                        % (self.properties[u"name"], command,
 
121
                           os.WEXITSTATUS(condition)))
 
122
            return
 
123
        if os.WIFSIGNALED(condition):
 
124
            self.logger(u'Checker for client %s (command "%s")'
 
125
                        u' was killed by signal %s'
 
126
                        % (self.properties[u"name"], command,
 
127
                           os.WTERMSIG(condition)))
 
128
            return
 
129
        if os.WCOREDUMP(condition):
 
130
            self.logger(u'Checker for client %s (command "%s")'
 
131
                        u' dumped core'
 
132
                        % (self.properties[u"name"], command))
 
133
        self.logger(u'Checker for client %s completed mysteriously')
 
134
    
206
135
    def checker_started(self, command):
207
 
        """Server signals that a checker started."""
208
 
        log.debug('Client %s started checker "%s"',
209
 
                  self.properties["Name"], command)
210
 
 
 
136
        self.logger(u'Client %s started checker "%s"'
 
137
                    % (self.properties[u"name"], unicode(command)))
 
138
    
211
139
    def got_secret(self):
212
 
        log.info("Client %s received its secret",
213
 
                 self.properties["Name"])
214
 
 
215
 
    def need_approval(self, timeout, default):
216
 
        if not default:
217
 
            message = "Client %s needs approval within %f seconds"
218
 
        else:
219
 
            message = "Client %s will get its secret in %f seconds"
220
 
        log.info(message, self.properties["Name"], timeout/1000)
221
 
 
222
 
    def rejected(self, reason):
223
 
        log.info("Client %s was rejected; reason: %s",
224
 
                 self.properties["Name"], reason)
225
 
 
 
140
        self.logger(u'Client %s received its secret'
 
141
                    % self.properties[u"name"])
 
142
    
 
143
    def rejected(self):
 
144
        self.logger(u'Client %s was rejected'
 
145
                    % self.properties[u"name"])
 
146
    
226
147
    def selectable(self):
227
148
        """Make this a "selectable" widget.
228
149
        This overrides the method from urwid.FlowWidget."""
229
150
        return True
230
 
 
231
 
    def rows(self, maxcolrow, focus=False):
 
151
    
 
152
    def rows(self, (maxcol,), focus=False):
232
153
        """How many rows this widget will occupy might depend on
233
154
        whether we have focus or not.
234
155
        This overrides the method from urwid.FlowWidget"""
235
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
236
 
 
 
156
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
157
    
237
158
    def current_widget(self, focus=False):
238
159
        if focus or self.opened:
239
160
            return self._focus_widget
240
161
        return self._widget
241
 
 
 
162
    
242
163
    def update(self):
243
164
        "Called when what is visible on the screen should be updated."
244
165
        # How to add standout mode to a style
245
 
        with_standout = {"normal": "standout",
246
 
                         "bold": "bold-standout",
247
 
                         "underline-blink":
248
 
                         "underline-blink-standout",
249
 
                         "bold-underline-blink":
250
 
                         "bold-underline-blink-standout",
251
 
                         }
252
 
 
 
166
        with_standout = { u"normal": u"standout",
 
167
                          u"bold": u"bold-standout",
 
168
                          u"underline-blink":
 
169
                              u"underline-blink-standout",
 
170
                          u"bold-underline-blink":
 
171
                              u"bold-underline-blink-standout",
 
172
                          }
 
173
        
253
174
        # Rebuild focus and non-focus widgets using current properties
254
 
 
255
 
        # Base part of a client. Name!
256
 
        base = "{name}: ".format(name=self.properties["Name"])
257
 
        if not self.properties["Enabled"]:
258
 
            message = "DISABLED"
259
 
            self.using_timer(False)
260
 
        elif self.properties["ApprovalPending"]:
261
 
            timeout = datetime.timedelta(
262
 
                milliseconds=self.properties["ApprovalDelay"])
263
 
            last_approval_request = isoformat_to_datetime(
264
 
                self.properties["LastApprovalRequest"])
265
 
            if last_approval_request is not None:
266
 
                timer = max(timeout - (datetime.datetime.utcnow()
267
 
                                       - last_approval_request),
268
 
                            datetime.timedelta())
269
 
            else:
270
 
                timer = datetime.timedelta()
271
 
            if self.properties["ApprovedByDefault"]:
272
 
                message = "Approval in {}. (d)eny?"
273
 
            else:
274
 
                message = "Denial in {}. (a)pprove?"
275
 
            message = message.format(str(timer).rsplit(".", 1)[0])
276
 
            self.using_timer(True)
277
 
        elif self.properties["LastCheckerStatus"] != 0:
278
 
            # When checker has failed, show timer until client expires
279
 
            expires = self.properties["Expires"]
280
 
            if expires == "":
281
 
                timer = datetime.timedelta(0)
282
 
            else:
283
 
                expires = (datetime.datetime.strptime
284
 
                           (expires, "%Y-%m-%dT%H:%M:%S.%f"))
285
 
                timer = max(expires - datetime.datetime.utcnow(),
286
 
                            datetime.timedelta())
287
 
            message = ("A checker has failed! Time until client"
288
 
                       " gets disabled: {}"
289
 
                       .format(str(timer).rsplit(".", 1)[0]))
290
 
            self.using_timer(True)
291
 
        else:
292
 
            message = "enabled"
293
 
            self.using_timer(False)
294
 
        self._text = "{}{}".format(base, message)
295
 
 
 
175
        self._text = (u'%(name)s: %(enabled)s'
 
176
                      % { u"name": self.properties[u"name"],
 
177
                          u"enabled":
 
178
                              (u"enabled"
 
179
                               if self.properties[u"enabled"]
 
180
                               else u"DISABLED")})
296
181
        if not urwid.supports_unicode():
297
182
            self._text = self._text.encode("ascii", "replace")
298
 
        textlist = [("normal", self._text)]
 
183
        textlist = [(u"normal", self._text)]
299
184
        self._text_widget.set_text(textlist)
300
185
        self._focus_text_widget.set_text([(with_standout[text[0]],
301
186
                                           text[1])
308
193
        # Run update hook, if any
309
194
        if self.update_hook is not None:
310
195
            self.update_hook()
311
 
 
312
 
    def update_timer(self):
313
 
        """called by GLib. Will indefinitely loop until
314
 
        GLib.source_remove() on tag is called
315
 
        """
316
 
        self.update()
317
 
        return True             # Keep calling this
318
 
 
319
 
    def delete(self, **kwargs):
320
 
        if self._update_timer_callback_tag is not None:
321
 
            GLib.source_remove(self._update_timer_callback_tag)
322
 
            self._update_timer_callback_tag = None
323
 
        for match in self.match_objects:
324
 
            match.remove()
325
 
        self.match_objects = ()
 
196
    
 
197
    def delete(self):
326
198
        if self.delete_hook is not None:
327
199
            self.delete_hook(self)
328
 
        return super(MandosClientWidget, self).delete(**kwargs)
329
 
 
330
 
    def render(self, maxcolrow, focus=False):
 
200
    
 
201
    def render(self, (maxcol,), focus=False):
331
202
        """Render differently if we have focus.
332
203
        This overrides the method from urwid.FlowWidget"""
333
 
        return self.current_widget(focus).render(maxcolrow,
 
204
        return self.current_widget(focus).render((maxcol,),
334
205
                                                 focus=focus)
335
 
 
336
 
    def keypress(self, maxcolrow, key):
 
206
    
 
207
    def keypress(self, (maxcol,), key):
337
208
        """Handle keys.
338
209
        This overrides the method from urwid.FlowWidget"""
339
 
        if key == "+":
340
 
            self.proxy.Set(client_interface, "Enabled",
341
 
                           dbus.Boolean(True), ignore_reply=True,
342
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
343
 
        elif key == "-":
344
 
            self.proxy.Set(client_interface, "Enabled", False,
345
 
                           ignore_reply=True,
346
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
347
 
        elif key == "a":
348
 
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
349
 
                               dbus_interface=client_interface,
350
 
                               ignore_reply=True)
351
 
        elif key == "d":
352
 
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
353
 
                               dbus_interface=client_interface,
354
 
                               ignore_reply=True)
355
 
        elif key == "R" or key == "_" or key == "ctrl k":
 
210
        if key == u"e" or key == u"+":
 
211
            self.proxy.Enable()
 
212
        elif key == u"d" or key == u"-":
 
213
            self.proxy.Disable()
 
214
        elif key == u"r" or key == u"_" or key == u"ctrl k":
356
215
            self.server_proxy_object.RemoveClient(self.proxy
357
 
                                                  .object_path,
358
 
                                                  ignore_reply=True)
359
 
        elif key == "s":
360
 
            self.proxy.Set(client_interface, "CheckerRunning",
361
 
                           dbus.Boolean(True), ignore_reply=True,
362
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
363
 
        elif key == "S":
364
 
            self.proxy.Set(client_interface, "CheckerRunning",
365
 
                           dbus.Boolean(False), ignore_reply=True,
366
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
367
 
        elif key == "C":
368
 
            self.proxy.CheckedOK(dbus_interface=client_interface,
369
 
                                 ignore_reply=True)
 
216
                                                  .object_path)
 
217
        elif key == u"s":
 
218
            self.proxy.StartChecker()
 
219
        elif key == u"S":
 
220
            self.proxy.StopChecker()
 
221
        elif key == u"C":
 
222
            self.proxy.CheckedOK()
370
223
        # xxx
371
 
#         elif key == "p" or key == "=":
 
224
#         elif key == u"p" or key == "=":
372
225
#             self.proxy.pause()
373
 
#         elif key == "u" or key == ":":
 
226
#         elif key == u"u" or key == ":":
374
227
#             self.proxy.unpause()
375
 
#         elif key == "RET":
 
228
#         elif key == u"RET":
376
229
#             self.open()
377
230
        else:
378
231
            return key
379
 
 
380
 
    def properties_changed(self, interface, properties, invalidated):
381
 
        """Call self.update() if any properties changed.
 
232
    
 
233
    def property_changed(self, property=None, value=None,
 
234
                         *args, **kwargs):
 
235
        """Call self.update() if old value is not new value.
382
236
        This overrides the method from MandosClientPropertyCache"""
383
 
        old_values = {key: self.properties.get(key)
384
 
                      for key in properties.keys()}
385
 
        super(MandosClientWidget, self).properties_changed(
386
 
            interface, properties, invalidated)
387
 
        if any(old_values[key] != self.properties.get(key)
388
 
               for key in old_values):
 
237
        property_name = unicode(property)
 
238
        old_value = self.properties.get(property_name)
 
239
        super(MandosClientWidget, self).property_changed(
 
240
            property=property, value=value, *args, **kwargs)
 
241
        if self.properties.get(property_name) != old_value:
389
242
            self.update()
390
243
 
391
244
 
392
 
def glib_safely(func, retval=True):
393
 
    def safe_func(*args, **kwargs):
394
 
        try:
395
 
            return func(*args, **kwargs)
396
 
        except Exception:
397
 
            log.exception("")
398
 
            return retval
399
 
    return safe_func
400
 
 
401
 
 
402
245
class ConstrainedListBox(urwid.ListBox):
403
246
    """Like a normal urwid.ListBox, but will consume all "up" or
404
247
    "down" key presses, thus not allowing any containing widgets to
405
248
    use them as an excuse to shift focus away from this widget.
406
249
    """
407
 
    def keypress(self, *args, **kwargs):
408
 
        ret = (super(ConstrainedListBox, self)
409
 
               .keypress(*args, **kwargs))
410
 
        if ret in ("up", "down"):
 
250
    def keypress(self, (maxcol, maxrow), key):
 
251
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
 
252
        if ret in (u"up", u"down"):
411
253
            return
412
254
        return ret
413
255
 
414
256
 
415
 
class UserInterface:
 
257
class UserInterface(object):
416
258
    """This is the entire user interface - the whole screen
417
259
    with boxes, lists of client widgets, etc.
418
260
    """
419
261
    def __init__(self, max_log_length=1000):
420
262
        DBusGMainLoop(set_as_default=True)
421
 
 
 
263
        
422
264
        self.screen = urwid.curses_display.Screen()
423
 
 
 
265
        
424
266
        self.screen.register_palette((
425
 
                ("normal",
426
 
                 "default", "default", None),
427
 
                ("bold",
428
 
                 "bold", "default", "bold"),
429
 
                ("underline-blink",
430
 
                 "underline,blink", "default", "underline,blink"),
431
 
                ("standout",
432
 
                 "standout", "default", "standout"),
433
 
                ("bold-underline-blink",
434
 
                 "bold,underline,blink", "default",
435
 
                 "bold,underline,blink"),
436
 
                ("bold-standout",
437
 
                 "bold,standout", "default", "bold,standout"),
438
 
                ("underline-blink-standout",
439
 
                 "underline,blink,standout", "default",
440
 
                 "underline,blink,standout"),
441
 
                ("bold-underline-blink-standout",
442
 
                 "bold,underline,blink,standout", "default",
443
 
                 "bold,underline,blink,standout"),
 
267
                (u"normal",
 
268
                 u"default", u"default", None),
 
269
                (u"bold",
 
270
                 u"default", u"default", u"bold"),
 
271
                (u"underline-blink",
 
272
                 u"default", u"default", u"underline"),
 
273
                (u"standout",
 
274
                 u"default", u"default", u"standout"),
 
275
                (u"bold-underline-blink",
 
276
                 u"default", u"default", (u"bold", u"underline")),
 
277
                (u"bold-standout",
 
278
                 u"default", u"default", (u"bold", u"standout")),
 
279
                (u"underline-blink-standout",
 
280
                 u"default", u"default", (u"underline", u"standout")),
 
281
                (u"bold-underline-blink-standout",
 
282
                 u"default", u"default", (u"bold", u"underline",
 
283
                                          u"standout")),
444
284
                ))
445
 
 
 
285
        
446
286
        if urwid.supports_unicode():
447
 
            self.divider = "─"  # \u2500
 
287
            self.divider = u"─" # \u2500
 
288
            #self.divider = u"━" # \u2501
448
289
        else:
449
 
            self.divider = "_"  # \u005f
450
 
 
 
290
            #self.divider = u"-" # \u002d
 
291
            self.divider = u"_" # \u005f
 
292
        
451
293
        self.screen.start()
452
 
 
 
294
        
453
295
        self.size = self.screen.get_cols_rows()
454
 
 
 
296
        
455
297
        self.clients = urwid.SimpleListWalker([])
456
298
        self.clients_dict = {}
457
 
 
 
299
        
458
300
        # We will add Text widgets to this list
459
 
        self.log = urwid.SimpleListWalker([])
 
301
        self.log = []
460
302
        self.max_log_length = max_log_length
461
 
 
 
303
        
462
304
        # We keep a reference to the log widget so we can remove it
463
305
        # from the ListWalker without it getting destroyed
464
306
        self.logbox = ConstrainedListBox(self.log)
465
 
 
 
307
        
466
308
        # This keeps track of whether self.uilist currently has
467
309
        # self.logbox in it or not
468
310
        self.log_visible = True
469
 
        self.log_wrap = "any"
470
 
 
471
 
        self.loghandler = UILogHandler(self)
472
 
 
 
311
        self.log_wrap = u"any"
 
312
        
473
313
        self.rebuild()
474
 
        self.add_log_line(("bold",
475
 
                           "Mandos Monitor version " + version))
476
 
        self.add_log_line(("bold", "q: Quit  ?: Help"))
477
 
 
478
 
        self.busname = domain + ".Mandos"
479
 
        self.main_loop = GLib.MainLoop()
480
 
 
481
 
    def client_not_found(self, key_id, address):
482
 
        log.info("Client with address %s and key ID %s could"
483
 
                 " not be found", address, key_id)
484
 
 
 
314
        self.log_message_raw((u"bold",
 
315
                              u"Mandos Monitor version " + version))
 
316
        self.log_message_raw((u"bold",
 
317
                              u"q: Quit  ?: Help"))
 
318
        
 
319
        self.busname = domain + '.Mandos'
 
320
        self.main_loop = gobject.MainLoop()
 
321
        self.bus = dbus.SystemBus()
 
322
        mandos_dbus_objc = self.bus.get_object(
 
323
            self.busname, u"/", follow_name_owner_changes=True)
 
324
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
325
                                          dbus_interface
 
326
                                          = server_interface)
 
327
        try:
 
328
            mandos_clients = (self.mandos_serv
 
329
                              .GetAllClientsWithProperties())
 
330
        except dbus.exceptions.DBusException:
 
331
            mandos_clients = dbus.Dictionary()
 
332
        
 
333
        (self.mandos_serv
 
334
         .connect_to_signal(u"ClientRemoved",
 
335
                            self.find_and_remove_client,
 
336
                            dbus_interface=server_interface,
 
337
                            byte_arrays=True))
 
338
        (self.mandos_serv
 
339
         .connect_to_signal(u"ClientAdded",
 
340
                            self.add_new_client,
 
341
                            dbus_interface=server_interface,
 
342
                            byte_arrays=True))
 
343
        (self.mandos_serv
 
344
         .connect_to_signal(u"ClientNotFound",
 
345
                            self.client_not_found,
 
346
                            dbus_interface=server_interface,
 
347
                            byte_arrays=True))
 
348
        for path, client in mandos_clients.iteritems():
 
349
            client_proxy_object = self.bus.get_object(self.busname,
 
350
                                                      path)
 
351
            self.add_client(MandosClientWidget(server_proxy_object
 
352
                                               =self.mandos_serv,
 
353
                                               proxy_object
 
354
                                               =client_proxy_object,
 
355
                                               properties=client,
 
356
                                               update_hook
 
357
                                               =self.refresh,
 
358
                                               delete_hook
 
359
                                               =self.remove_client,
 
360
                                               logger
 
361
                                               =self.log_message),
 
362
                            path=path)
 
363
    
 
364
    def client_not_found(self, fingerprint, address):
 
365
        self.log_message((u"Client with address %s and fingerprint %s"
 
366
                          u" could not be found" % (address,
 
367
                                                    fingerprint)))
 
368
    
485
369
    def rebuild(self):
486
370
        """This rebuilds the User Interface.
487
371
        Call this when the widget layout needs to change"""
488
372
        self.uilist = []
489
 
        # self.uilist.append(urwid.ListBox(self.clients))
490
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
491
 
                                                          clients),
492
 
                                       # header=urwid.Divider(),
 
373
        #self.uilist.append(urwid.ListBox(self.clients))
 
374
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
 
375
                                       #header=urwid.Divider(),
493
376
                                       header=None,
494
 
                                       footer=urwid.Divider(
495
 
                                           div_char=self.divider)))
 
377
                                       footer=urwid.Divider(div_char=self.divider)))
496
378
        if self.log_visible:
497
379
            self.uilist.append(self.logbox)
 
380
            pass
498
381
        self.topwidget = urwid.Pile(self.uilist)
499
 
 
500
 
    def add_log_line(self, markup):
 
382
    
 
383
    def log_message(self, message):
 
384
        timestamp = datetime.datetime.now().isoformat()
 
385
        self.log_message_raw(timestamp + u": " + message)
 
386
    
 
387
    def log_message_raw(self, markup):
 
388
        """Add a log message to the log buffer."""
501
389
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
502
 
        if self.max_log_length:
503
 
            if len(self.log) > self.max_log_length:
504
 
                del self.log[0:(len(self.log) - self.max_log_length)]
505
 
        self.logbox.set_focus(len(self.logbox.body.contents)-1,
506
 
                              coming_from="above")
 
390
        if (self.max_log_length
 
391
            and len(self.log) > self.max_log_length):
 
392
            del self.log[0:len(self.log)-self.max_log_length-1]
 
393
        self.logbox.set_focus(len(self.logbox.body.contents),
 
394
                              coming_from=u"above")
507
395
        self.refresh()
508
 
 
 
396
    
509
397
    def toggle_log_display(self):
510
398
        """Toggle visibility of the log buffer."""
511
399
        self.log_visible = not self.log_visible
512
400
        self.rebuild()
513
 
        log.debug("Log visibility changed to: %s", self.log_visible)
514
 
 
 
401
        self.log_message(u"Log visibility changed to: "
 
402
                         + unicode(self.log_visible))
 
403
    
515
404
    def change_log_display(self):
516
405
        """Change type of log display.
517
406
        Currently, this toggles wrapping of text lines."""
518
 
        if self.log_wrap == "clip":
519
 
            self.log_wrap = "any"
 
407
        if self.log_wrap == u"clip":
 
408
            self.log_wrap = u"any"
520
409
        else:
521
 
            self.log_wrap = "clip"
 
410
            self.log_wrap = u"clip"
522
411
        for textwidget in self.log:
523
412
            textwidget.set_wrap_mode(self.log_wrap)
524
 
        log.debug("Wrap mode: %s", self.log_wrap)
525
 
 
526
 
    def find_and_remove_client(self, path, interfaces):
527
 
        """Find a client by its object path and remove it.
528
 
 
529
 
        This is connected to the InterfacesRemoved signal from the
 
413
        self.log_message(u"Wrap mode: " + self.log_wrap)
 
414
    
 
415
    def find_and_remove_client(self, path, name):
 
416
        """Find an client from its object path and remove it.
 
417
        
 
418
        This is connected to the ClientRemoved signal from the
530
419
        Mandos server object."""
531
 
        if client_interface not in interfaces:
532
 
            # Not a Mandos client object; ignore
533
 
            return
534
420
        try:
535
421
            client = self.clients_dict[path]
536
422
        except KeyError:
537
423
            # not found?
538
 
            log.warning("Unknown client %s removed", path)
539
 
            return
540
 
        client.delete()
541
 
 
542
 
    def add_new_client(self, path, ifs_and_props):
543
 
        """Find a client by its object path and remove it.
544
 
 
545
 
        This is connected to the InterfacesAdded signal from the
546
 
        Mandos server object.
547
 
        """
548
 
        if client_interface not in ifs_and_props:
549
 
            # Not a Mandos client object; ignore
550
 
            return
 
424
            return
 
425
        self.remove_client(client, path)
 
426
    
 
427
    def add_new_client(self, path, properties):
551
428
        client_proxy_object = self.bus.get_object(self.busname, path)
552
 
        self.add_client(MandosClientWidget(
553
 
            server_proxy_object=self.mandos_serv,
554
 
            proxy_object=client_proxy_object,
555
 
            update_hook=self.refresh,
556
 
            delete_hook=self.remove_client,
557
 
            properties=dict(ifs_and_props[client_interface])),
 
429
        self.add_client(MandosClientWidget(server_proxy_object
 
430
                                           =self.mandos_serv,
 
431
                                           proxy_object
 
432
                                           =client_proxy_object,
 
433
                                           properties=properties,
 
434
                                           update_hook
 
435
                                           =self.refresh,
 
436
                                           delete_hook
 
437
                                           =self.remove_client),
558
438
                        path=path)
559
 
 
 
439
    
560
440
    def add_client(self, client, path=None):
561
441
        self.clients.append(client)
562
442
        if path is None:
563
443
            path = client.proxy.object_path
564
444
        self.clients_dict[path] = client
565
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
445
        self.clients.sort(None, lambda c: c.properties[u"name"])
566
446
        self.refresh()
567
 
 
 
447
    
568
448
    def remove_client(self, client, path=None):
569
449
        self.clients.remove(client)
570
450
        if path is None:
571
451
            path = client.proxy.object_path
572
452
        del self.clients_dict[path]
 
453
        if not self.clients_dict:
 
454
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
455
            # is completely emptied, we need to recreate it.
 
456
            self.clients = urwid.SimpleListWalker([])
 
457
            self.rebuild()
573
458
        self.refresh()
574
 
 
 
459
    
575
460
    def refresh(self):
576
461
        """Redraw the screen"""
577
462
        canvas = self.topwidget.render(self.size, focus=True)
578
463
        self.screen.draw_screen(self.size, canvas)
579
 
 
 
464
    
580
465
    def run(self):
581
466
        """Start the main loop and exit when it's done."""
582
 
        log.addHandler(self.loghandler)
583
 
        self.orig_log_propagate = log.propagate
584
 
        log.propagate = False
585
 
        self.orig_log_level = log.level
586
 
        log.setLevel("INFO")
587
 
        self.bus = dbus.SystemBus()
588
 
        mandos_dbus_objc = self.bus.get_object(
589
 
            self.busname, "/", follow_name_owner_changes=True)
590
 
        self.mandos_serv = dbus.Interface(
591
 
            mandos_dbus_objc, dbus_interface=server_interface)
592
 
        try:
593
 
            mandos_clients = (self.mandos_serv
594
 
                              .GetAllClientsWithProperties())
595
 
            if not mandos_clients:
596
 
                log.warning("Note: Server has no clients.")
597
 
        except dbus.exceptions.DBusException:
598
 
            log.warning("Note: No Mandos server running.")
599
 
            mandos_clients = dbus.Dictionary()
600
 
 
601
 
        (self.mandos_serv
602
 
         .connect_to_signal("InterfacesRemoved",
603
 
                            self.find_and_remove_client,
604
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
605
 
                            byte_arrays=True))
606
 
        (self.mandos_serv
607
 
         .connect_to_signal("InterfacesAdded",
608
 
                            self.add_new_client,
609
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
610
 
                            byte_arrays=True))
611
 
        (self.mandos_serv
612
 
         .connect_to_signal("ClientNotFound",
613
 
                            self.client_not_found,
614
 
                            dbus_interface=server_interface,
615
 
                            byte_arrays=True))
616
 
        for path, client in mandos_clients.items():
617
 
            client_proxy_object = self.bus.get_object(self.busname,
618
 
                                                      path)
619
 
            self.add_client(MandosClientWidget(
620
 
                server_proxy_object=self.mandos_serv,
621
 
                proxy_object=client_proxy_object,
622
 
                properties=client,
623
 
                update_hook=self.refresh,
624
 
                delete_hook=self.remove_client),
625
 
                            path=path)
626
 
 
627
467
        self.refresh()
628
 
        self._input_callback_tag = (
629
 
            GLib.io_add_watch(
630
 
                GLib.IOChannel.unix_new(sys.stdin.fileno()),
631
 
                GLib.PRIORITY_DEFAULT, GLib.IO_IN,
632
 
                glib_safely(self.process_input)))
 
468
        self._input_callback_tag = (gobject.io_add_watch
 
469
                                    (sys.stdin.fileno(),
 
470
                                     gobject.IO_IN,
 
471
                                     self.process_input))
633
472
        self.main_loop.run()
634
473
        # Main loop has finished, we should close everything now
635
 
        GLib.source_remove(self._input_callback_tag)
636
 
        with warnings.catch_warnings():
637
 
            warnings.simplefilter("ignore", BytesWarning)
638
 
            self.screen.stop()
639
 
 
 
474
        gobject.source_remove(self._input_callback_tag)
 
475
        self.screen.stop()
 
476
    
640
477
    def stop(self):
641
478
        self.main_loop.quit()
642
 
        log.removeHandler(self.loghandler)
643
 
        log.propagate = self.orig_log_propagate
644
 
 
 
479
    
645
480
    def process_input(self, source, condition):
646
481
        keys = self.screen.get_input()
647
 
        translations = {"ctrl n": "down",       # Emacs
648
 
                        "ctrl p": "up",         # Emacs
649
 
                        "ctrl v": "page down",  # Emacs
650
 
                        "meta v": "page up",    # Emacs
651
 
                        " ": "page down",       # less
652
 
                        "f": "page down",       # less
653
 
                        "b": "page up",         # less
654
 
                        "j": "down",            # vi
655
 
                        "k": "up",              # vi
656
 
                        }
 
482
        translations = { u"ctrl n": u"down",      # Emacs
 
483
                         u"ctrl p": u"up",        # Emacs
 
484
                         u"ctrl v": u"page down", # Emacs
 
485
                         u"meta v": u"page up",   # Emacs
 
486
                         u" ": u"page down",      # less
 
487
                         u"f": u"page down",      # less
 
488
                         u"b": u"page up",        # less
 
489
                         u"j": u"down",           # vi
 
490
                         u"k": u"up",             # vi
 
491
                         }
657
492
        for key in keys:
658
493
            try:
659
494
                key = translations[key]
660
495
            except KeyError:    # :-)
661
496
                pass
662
 
 
663
 
            if key == "q" or key == "Q":
 
497
            
 
498
            if key == u"q" or key == u"Q":
664
499
                self.stop()
665
500
                break
666
 
            elif key == "window resize":
 
501
            elif key == u"window resize":
667
502
                self.size = self.screen.get_cols_rows()
668
503
                self.refresh()
669
 
            elif key == "ctrl l":
670
 
                self.screen.clear()
 
504
            elif key == u"\f":  # Ctrl-L
671
505
                self.refresh()
672
 
            elif key == "l" or key == "D":
 
506
            elif key == u"l" or key == u"D":
673
507
                self.toggle_log_display()
674
508
                self.refresh()
675
 
            elif key == "w" or key == "i":
 
509
            elif key == u"w" or key == u"i":
676
510
                self.change_log_display()
677
511
                self.refresh()
678
 
            elif key == "?" or key == "f1" or key == "esc":
 
512
            elif key == u"?" or key == u"f1" or key == u"esc":
679
513
                if not self.log_visible:
680
514
                    self.log_visible = True
681
515
                    self.rebuild()
682
 
                self.add_log_line(("bold",
683
 
                                   "  ".join(("q: Quit",
684
 
                                              "?: Help",
685
 
                                              "l: Log window toggle",
686
 
                                              "TAB: Switch window",
687
 
                                              "w: Wrap (log lines)",
688
 
                                              "v: Toggle verbose log",
689
 
                                   ))))
690
 
                self.add_log_line(("bold",
691
 
                                   "  ".join(("Clients:",
692
 
                                              "+: Enable",
693
 
                                              "-: Disable",
694
 
                                              "R: Remove",
695
 
                                              "s: Start new checker",
696
 
                                              "S: Stop checker",
697
 
                                              "C: Checker OK",
698
 
                                              "a: Approve",
699
 
                                              "d: Deny",
700
 
                                   ))))
 
516
                self.log_message_raw((u"bold",
 
517
                                      u"  ".
 
518
                                      join((u"q: Quit",
 
519
                                            u"?: Help",
 
520
                                            u"l: Log window toggle",
 
521
                                            u"TAB: Switch window",
 
522
                                            u"w: Wrap (log)"))))
 
523
                self.log_message_raw((u"bold",
 
524
                                      u"  "
 
525
                                      .join((u"Clients:",
 
526
                                             u"e: Enable",
 
527
                                             u"d: Disable",
 
528
                                             u"r: Remove",
 
529
                                             u"s: Start new checker",
 
530
                                             u"S: Stop checker",
 
531
                                             u"C: Checker OK"))))
701
532
                self.refresh()
702
 
            elif key == "tab":
 
533
            elif key == u"tab":
703
534
                if self.topwidget.get_focus() is self.logbox:
704
535
                    self.topwidget.set_focus(0)
705
536
                else:
706
537
                    self.topwidget.set_focus(self.logbox)
707
538
                self.refresh()
708
 
            elif key == "v":
709
 
                if log.level < logging.INFO:
710
 
                    log.setLevel(logging.INFO)
711
 
                    log.info("Verbose mode: Off")
712
 
                else:
713
 
                    log.setLevel(logging.NOTSET)
714
 
                    log.info("Verbose mode: On")
715
 
            # elif (key == "end" or key == "meta >" or key == "G"
716
 
            #       or key == ">"):
717
 
            #     pass            # xxx end-of-buffer
718
 
            # elif (key == "home" or key == "meta <" or key == "g"
719
 
            #       or key == "<"):
720
 
            #     pass            # xxx beginning-of-buffer
721
 
            # elif key == "ctrl e" or key == "$":
722
 
            #     pass            # xxx move-end-of-line
723
 
            # elif key == "ctrl a" or key == "^":
724
 
            #     pass            # xxx move-beginning-of-line
725
 
            # elif key == "ctrl b" or key == "meta (" or key == "h":
726
 
            #     pass            # xxx left
727
 
            # elif key == "ctrl f" or key == "meta )" or key == "l":
728
 
            #     pass            # xxx right
729
 
            # elif key == "a":
730
 
            #     pass            # scroll up log
731
 
            # elif key == "z":
732
 
            #     pass            # scroll down log
 
539
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
540
            #      or key == u">"):
 
541
            #    pass            # xxx end-of-buffer
 
542
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
543
            #      or key == u"<"):
 
544
            #    pass            # xxx beginning-of-buffer
 
545
            #elif key == u"ctrl e" or key == u"$":
 
546
            #    pass            # xxx move-end-of-line
 
547
            #elif key == u"ctrl a" or key == u"^":
 
548
            #    pass            # xxx move-beginning-of-line
 
549
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
550
            #    pass            # xxx left
 
551
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
552
            #    pass            # xxx right
 
553
            #elif key == u"a":
 
554
            #    pass            # scroll up log
 
555
            #elif key == u"z":
 
556
            #    pass            # scroll down log
733
557
            elif self.topwidget.selectable():
734
558
                self.topwidget.keypress(self.size, key)
735
559
                self.refresh()
736
560
        return True
737
561
 
738
 
 
739
 
class UILogHandler(logging.Handler):
740
 
    def __init__(self, ui, *args, **kwargs):
741
 
        self.ui = ui
742
 
        super(UILogHandler, self).__init__(*args, **kwargs)
743
 
        self.setFormatter(
744
 
            logging.Formatter("%(asctime)s: %(message)s"))
745
 
    def emit(self, record):
746
 
        msg = self.format(record)
747
 
        if record.levelno > logging.INFO:
748
 
            msg = ("bold", msg)
749
 
        self.ui.add_log_line(msg)
750
 
 
751
 
 
752
562
ui = UserInterface()
753
563
try:
754
564
    ui.run()
755
 
except KeyboardInterrupt:
756
 
    with warnings.catch_warnings():
757
 
        warnings.filterwarnings("ignore", "", BytesWarning)
758
 
        ui.screen.stop()
759
 
except Exception:
760
 
    with warnings.catch_warnings():
761
 
        warnings.filterwarnings("ignore", "", BytesWarning)
762
 
        ui.screen.stop()
 
565
except:
 
566
    ui.screen.stop()
763
567
    raise