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* mandos-ctl: Also show "LastApprovalRequest" property.

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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 © 2009-2016 Teddy Hogeborn
7
 
# Copyright © 2009-2016 Björn Påhlsson
8
 
#
9
 
# This program is free software: you can redistribute it and/or modify
10
 
# it under the terms of the GNU General Public License as published by
11
 
# the Free Software Foundation, either version 3 of the License, or
12
 
# (at your option) any later version.
13
 
#
14
 
#     This program is distributed in the hope that it will be useful,
15
 
#     but WITHOUT ANY WARRANTY; without even the implied warranty of
16
 
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17
 
#     GNU General Public License for more details.
18
 
#
19
 
# You should have received a copy of the GNU General Public License
20
 
# along with this program.  If not, see
21
 
# <http://www.gnu.org/licenses/>.
22
 
#
23
 
# Contact the authors at <mandos@recompile.se>.
24
 
#
25
3
 
26
 
from __future__ import (division, absolute_import, print_function,
27
 
                        unicode_literals)
28
 
try:
29
 
    from future_builtins import *
30
 
except ImportError:
31
 
    pass
 
4
from __future__ import division, absolute_import, with_statement
32
5
 
33
6
import sys
34
7
import os
 
8
import signal
35
9
 
36
10
import datetime
37
11
 
39
13
import urwid
40
14
 
41
15
from dbus.mainloop.glib import DBusGMainLoop
42
 
from gi.repository import GLib
 
16
import gobject
43
17
 
44
18
import dbus
45
19
 
 
20
import UserList
 
21
 
46
22
import locale
47
23
 
 
24
locale.setlocale(locale.LC_ALL, u'')
 
25
 
48
26
import logging
49
 
 
50
 
if sys.version_info.major == 2:
51
 
    str = unicode
52
 
 
53
 
locale.setlocale(locale.LC_ALL, '')
54
 
 
55
27
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
56
28
 
57
29
# Some useful constants
58
 
domain = 'se.recompile'
 
30
domain = 'se.bsnet.fukt'
59
31
server_interface = domain + '.Mandos'
60
32
client_interface = domain + '.Mandos.Client'
61
 
version = "1.7.14"
62
 
 
63
 
try:
64
 
    dbus.OBJECT_MANAGER_IFACE
65
 
except AttributeError:
66
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
67
 
 
 
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)
68
42
 
69
43
def isoformat_to_datetime(iso):
70
44
    "Parse an ISO 8601 date string to a datetime.datetime()"
71
45
    if not iso:
72
46
        return None
73
 
    d, t = iso.split("T", 1)
74
 
    year, month, day = d.split("-", 2)
75
 
    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)
76
50
    second, fraction = divmod(float(second), 1)
77
51
    return datetime.datetime(int(year),
78
52
                             int(month),
79
53
                             int(day),
80
54
                             int(hour),
81
55
                             int(minute),
82
 
                             int(second),            # Whole seconds
83
 
                             int(fraction*1000000))  # Microseconds
84
 
 
 
56
                             int(second),           # Whole seconds
 
57
                             int(fraction*1000000)) # Microseconds
85
58
 
86
59
class MandosClientPropertyCache(object):
87
60
    """This wraps a Mandos Client D-Bus proxy object, caches the
88
61
    properties and calls a hook function when any of them are
89
62
    changed.
90
63
    """
91
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
92
 
        self.proxy = proxy_object  # Mandos Client proxy object
93
 
        self.properties = dict() if properties is None else properties
94
 
        self.property_changed_match = (
95
 
            self.proxy.connect_to_signal("PropertiesChanged",
96
 
                                         self.properties_changed,
97
 
                                         dbus.PROPERTIES_IFACE,
98
 
                                         byte_arrays=True))
99
 
 
100
 
        if properties is None:
101
 
            self.properties.update(self.proxy.GetAll(
102
 
                client_interface,
103
 
                dbus_interface=dbus.PROPERTIES_IFACE))
104
 
 
105
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
106
 
 
107
 
    def properties_changed(self, interface, properties, invalidated):
108
 
        """This is called whenever we get a PropertiesChanged signal
109
 
        It updates the changed properties in the "properties" dict.
 
64
    def __init__(self, proxy_object=None, *args, **kwargs):
 
65
        self.proxy = proxy_object # Mandos Client proxy object
 
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)
 
80
    
 
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.
110
84
        """
111
85
        # Update properties dict with new value
112
 
        if interface == client_interface:
113
 
            self.properties.update(properties)
114
 
 
115
 
    def delete(self):
116
 
        self.property_changed_match.remove()
 
86
        self.properties[property] = value
117
87
 
118
88
 
119
89
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
120
90
    """A Mandos Client which is visible on the screen.
121
91
    """
122
 
 
 
92
    
123
93
    def __init__(self, server_proxy_object=None, update_hook=None,
124
 
                 delete_hook=None, logger=None, **kwargs):
 
94
                 delete_hook=None, logger=None, *args, **kwargs):
125
95
        # Called on update
126
96
        self.update_hook = update_hook
127
97
        # Called on delete
130
100
        self.server_proxy_object = server_proxy_object
131
101
        # Logger
132
102
        self.logger = logger
133
 
 
 
103
        
134
104
        self._update_timer_callback_tag = None
135
 
 
 
105
        self._update_timer_callback_lock = 0
 
106
        self.last_checker_failed = False
 
107
        
136
108
        # The widget shown normally
137
 
        self._text_widget = urwid.Text("")
 
109
        self._text_widget = urwid.Text(u"")
138
110
        # The widget shown when we have focus
139
 
        self._focus_text_widget = urwid.Text("")
140
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
111
        self._focus_text_widget = urwid.Text(u"")
 
112
        super(MandosClientWidget, self).__init__(
 
113
            update_hook=update_hook, delete_hook=delete_hook,
 
114
            *args, **kwargs)
141
115
        self.update()
142
116
        self.opened = False
143
 
 
144
 
        self.match_objects = (
145
 
            self.proxy.connect_to_signal("CheckerCompleted",
146
 
                                         self.checker_completed,
147
 
                                         client_interface,
148
 
                                         byte_arrays=True),
149
 
            self.proxy.connect_to_signal("CheckerStarted",
150
 
                                         self.checker_started,
151
 
                                         client_interface,
152
 
                                         byte_arrays=True),
153
 
            self.proxy.connect_to_signal("GotSecret",
154
 
                                         self.got_secret,
155
 
                                         client_interface,
156
 
                                         byte_arrays=True),
157
 
            self.proxy.connect_to_signal("NeedApproval",
158
 
                                         self.need_approval,
159
 
                                         client_interface,
160
 
                                         byte_arrays=True),
161
 
            self.proxy.connect_to_signal("Rejected",
162
 
                                         self.rejected,
163
 
                                         client_interface,
164
 
                                         byte_arrays=True))
165
 
        self.logger('Created client {}'
166
 
                    .format(self.properties["Name"]), level=0)
167
 
 
 
117
        
 
118
        last_checked_ok = isoformat_to_datetime(self.properties
 
119
                                                [u"LastCheckedOK"])
 
120
        if last_checked_ok is None:
 
121
            self.last_checker_failed = True
 
122
        else:
 
123
            self.last_checker_failed = ((datetime.datetime.utcnow()
 
124
                                         - last_checked_ok)
 
125
                                        > datetime.timedelta
 
126
                                        (milliseconds=
 
127
                                         self.properties
 
128
                                         [u"Interval"]))
 
129
        
 
130
        if self.last_checker_failed:
 
131
            self.using_timer(True)
 
132
        
 
133
        if self.need_approval:
 
134
            self.using_timer(True)
 
135
        
 
136
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
137
                                     self.checker_completed,
 
138
                                     client_interface,
 
139
                                     byte_arrays=True)
 
140
        self.proxy.connect_to_signal(u"CheckerStarted",
 
141
                                     self.checker_started,
 
142
                                     client_interface,
 
143
                                     byte_arrays=True)
 
144
        self.proxy.connect_to_signal(u"GotSecret",
 
145
                                     self.got_secret,
 
146
                                     client_interface,
 
147
                                     byte_arrays=True)
 
148
        self.proxy.connect_to_signal(u"NeedApproval",
 
149
                                     self.need_approval,
 
150
                                     client_interface,
 
151
                                     byte_arrays=True)
 
152
        self.proxy.connect_to_signal(u"Rejected",
 
153
                                     self.rejected,
 
154
                                     client_interface,
 
155
                                     byte_arrays=True)
 
156
    
 
157
    def property_changed(self, property=None, value=None):
 
158
        super(self, MandosClientWidget).property_changed(property,
 
159
                                                         value)
 
160
        if property == u"ApprovalPending":
 
161
            using_timer(bool(value))
 
162
        
168
163
    def using_timer(self, flag):
169
164
        """Call this method with True or False when timer should be
170
165
        activated or deactivated.
171
166
        """
172
 
        if flag and self._update_timer_callback_tag is None:
173
 
            # Will update the shown timer value every second
174
 
            self._update_timer_callback_tag = (GLib.timeout_add
 
167
        old = self._update_timer_callback_lock
 
168
        if flag:
 
169
            self._update_timer_callback_lock += 1
 
170
        else:
 
171
            self._update_timer_callback_lock -= 1
 
172
        if old == 0 and self._update_timer_callback_lock:
 
173
            self._update_timer_callback_tag = (gobject.timeout_add
175
174
                                               (1000,
176
175
                                                self.update_timer))
177
 
        elif not (flag or self._update_timer_callback_tag is None):
178
 
            GLib.source_remove(self._update_timer_callback_tag)
 
176
        elif old and self._update_timer_callback_lock == 0:
 
177
            gobject.source_remove(self._update_timer_callback_tag)
179
178
            self._update_timer_callback_tag = None
180
 
 
 
179
    
181
180
    def checker_completed(self, exitstatus, condition, command):
182
181
        if exitstatus == 0:
183
 
            self.logger('Checker for client {} (command "{}")'
184
 
                        ' succeeded'.format(self.properties["Name"],
185
 
                                            command), level=0)
 
182
            if self.last_checker_failed:
 
183
                self.last_checker_failed = False
 
184
                self.using_timer(False)
 
185
            #self.logger(u'Checker for client %s (command "%s")'
 
186
            #            u' was successful'
 
187
            #            % (self.properties[u"Name"], command))
186
188
            self.update()
187
189
            return
188
190
        # Checker failed
 
191
        if not self.last_checker_failed:
 
192
            self.last_checker_failed = True
 
193
            self.using_timer(True)
189
194
        if os.WIFEXITED(condition):
190
 
            self.logger('Checker for client {} (command "{}") failed'
191
 
                        ' with exit code {}'
192
 
                        .format(self.properties["Name"], command,
193
 
                                os.WEXITSTATUS(condition)))
 
195
            self.logger(u'Checker for client %s (command "%s")'
 
196
                        u' failed with exit code %s'
 
197
                        % (self.properties[u"Name"], command,
 
198
                           os.WEXITSTATUS(condition)))
194
199
        elif os.WIFSIGNALED(condition):
195
 
            self.logger('Checker for client {} (command "{}") was'
196
 
                        ' killed by signal {}'
197
 
                        .format(self.properties["Name"], command,
198
 
                                os.WTERMSIG(condition)))
 
200
            self.logger(u'Checker for client %s (command "%s")'
 
201
                        u' was killed by signal %s'
 
202
                        % (self.properties[u"Name"], command,
 
203
                           os.WTERMSIG(condition)))
 
204
        elif os.WCOREDUMP(condition):
 
205
            self.logger(u'Checker for client %s (command "%s")'
 
206
                        u' dumped core'
 
207
                        % (self.properties[u"Name"], command))
 
208
        else:
 
209
            self.logger(u'Checker for client %s completed'
 
210
                        u' mysteriously')
199
211
        self.update()
200
 
 
 
212
    
201
213
    def checker_started(self, command):
202
 
        """Server signals that a checker started."""
203
 
        self.logger('Client {} started checker "{}"'
204
 
                    .format(self.properties["Name"],
205
 
                            command), level=0)
206
 
 
 
214
        #self.logger(u'Client %s started checker "%s"'
 
215
        #            % (self.properties[u"Name"], unicode(command)))
 
216
        pass
 
217
    
207
218
    def got_secret(self):
208
 
        self.logger('Client {} received its secret'
209
 
                    .format(self.properties["Name"]))
210
 
 
 
219
        self.last_checker_failed = False
 
220
        self.logger(u'Client %s received its secret'
 
221
                    % self.properties[u"Name"])
 
222
    
211
223
    def need_approval(self, timeout, default):
212
224
        if not default:
213
 
            message = 'Client {} needs approval within {} seconds'
 
225
            message = u'Client %s needs approval within %s seconds'
214
226
        else:
215
 
            message = 'Client {} will get its secret in {} seconds'
216
 
        self.logger(message.format(self.properties["Name"],
217
 
                                   timeout/1000))
218
 
 
 
227
            message = u'Client %s will get its secret in %s seconds'
 
228
        self.logger(message
 
229
                    % (self.properties[u"Name"], timeout/1000))
 
230
        self.using_timer(True)
 
231
    
219
232
    def rejected(self, reason):
220
 
        self.logger('Client {} was rejected; reason: {}'
221
 
                    .format(self.properties["Name"], reason))
222
 
 
 
233
        self.logger(u'Client %s was rejected; reason: %s'
 
234
                    % (self.properties[u"Name"], reason))
 
235
    
223
236
    def selectable(self):
224
237
        """Make this a "selectable" widget.
225
238
        This overrides the method from urwid.FlowWidget."""
226
239
        return True
227
 
 
228
 
    def rows(self, maxcolrow, focus=False):
 
240
    
 
241
    def rows(self, (maxcol,), focus=False):
229
242
        """How many rows this widget will occupy might depend on
230
243
        whether we have focus or not.
231
244
        This overrides the method from urwid.FlowWidget"""
232
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
233
 
 
 
245
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
246
    
234
247
    def current_widget(self, focus=False):
235
248
        if focus or self.opened:
236
249
            return self._focus_widget
237
250
        return self._widget
238
 
 
 
251
    
239
252
    def update(self):
240
253
        "Called when what is visible on the screen should be updated."
241
254
        # How to add standout mode to a style
242
 
        with_standout = {"normal": "standout",
243
 
                         "bold": "bold-standout",
244
 
                         "underline-blink":
245
 
                         "underline-blink-standout",
246
 
                         "bold-underline-blink":
247
 
                         "bold-underline-blink-standout",
248
 
                         }
 
255
        with_standout = { u"normal": u"standout",
 
256
                          u"bold": u"bold-standout",
 
257
                          u"underline-blink":
 
258
                              u"underline-blink-standout",
 
259
                          u"bold-underline-blink":
 
260
                              u"bold-underline-blink-standout",
 
261
                          }
249
262
 
250
263
        # Rebuild focus and non-focus widgets using current properties
251
264
 
252
265
        # Base part of a client. Name!
253
 
        base = '{name}: '.format(name=self.properties["Name"])
254
 
        if not self.properties["Enabled"]:
255
 
            message = "DISABLED"
256
 
            self.using_timer(False)
257
 
        elif self.properties["ApprovalPending"]:
258
 
            timeout = datetime.timedelta(
259
 
                milliseconds=self.properties["ApprovalDelay"])
 
266
        base = (u'%(name)s: '
 
267
                      % {u"name": self.properties[u"Name"]})
 
268
        if not self.properties[u"Enabled"]:
 
269
            message = u"DISABLED"
 
270
        elif self.properties[u"ApprovalPending"]:
 
271
            timeout = datetime.timedelta(milliseconds
 
272
                                         = self.properties
 
273
                                         [u"ApprovalDelay"])
260
274
            last_approval_request = isoformat_to_datetime(
261
 
                self.properties["LastApprovalRequest"])
 
275
                self.properties[u"LastApprovalRequest"])
262
276
            if last_approval_request is not None:
263
 
                timer = max(timeout - (datetime.datetime.utcnow()
264
 
                                       - last_approval_request),
265
 
                            datetime.timedelta())
 
277
                timer = timeout - (datetime.datetime.utcnow()
 
278
                                   - last_approval_request)
266
279
            else:
267
280
                timer = datetime.timedelta()
268
 
            if self.properties["ApprovedByDefault"]:
269
 
                message = "Approval in {}. (d)eny?"
270
 
            else:
271
 
                message = "Denial in {}. (a)pprove?"
272
 
            message = message.format(str(timer).rsplit(".", 1)[0])
273
 
            self.using_timer(True)
274
 
        elif self.properties["LastCheckerStatus"] != 0:
275
 
            # When checker has failed, show timer until client expires
276
 
            expires = self.properties["Expires"]
277
 
            if expires == "":
278
 
                timer = datetime.timedelta(0)
279
 
            else:
280
 
                expires = (datetime.datetime.strptime
281
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
282
 
                timer = max(expires - datetime.datetime.utcnow(),
283
 
                            datetime.timedelta())
284
 
            message = ('A checker has failed! Time until client'
285
 
                       ' gets disabled: {}'
286
 
                       .format(str(timer).rsplit(".", 1)[0]))
287
 
            self.using_timer(True)
 
281
            if self.properties[u"ApprovedByDefault"]:
 
282
                message = u"Approval in %s. (d)eny?"
 
283
            else:
 
284
                message = u"Denial in %s. (a)pprove?"
 
285
            message = message % unicode(timer).rsplit(".", 1)[0]
 
286
        elif self.last_checker_failed:
 
287
            timeout = datetime.timedelta(milliseconds
 
288
                                         = self.properties
 
289
                                         [u"Timeout"])
 
290
            last_ok = isoformat_to_datetime(
 
291
                max((self.properties[u"LastCheckedOK"]
 
292
                     or self.properties[u"Created"]),
 
293
                    self.properties[u"LastEnabled"]))
 
294
            timer = timeout - (datetime.datetime.utcnow() - last_ok)
 
295
            message = (u'A checker has failed! Time until client'
 
296
                       u' gets disabled: %s'
 
297
                           % unicode(timer).rsplit(".", 1)[0])
288
298
        else:
289
 
            message = "enabled"
290
 
            self.using_timer(False)
291
 
        self._text = "{}{}".format(base, message)
292
 
 
 
299
            message = u"enabled"
 
300
        self._text = "%s%s" % (base, message)
 
301
            
293
302
        if not urwid.supports_unicode():
294
303
            self._text = self._text.encode("ascii", "replace")
295
 
        textlist = [("normal", self._text)]
 
304
        textlist = [(u"normal", self._text)]
296
305
        self._text_widget.set_text(textlist)
297
306
        self._focus_text_widget.set_text([(with_standout[text[0]],
298
307
                                           text[1])
305
314
        # Run update hook, if any
306
315
        if self.update_hook is not None:
307
316
            self.update_hook()
308
 
 
 
317
    
309
318
    def update_timer(self):
310
 
        """called by GLib. Will indefinitely loop until
311
 
        GLib.source_remove() on tag is called
312
 
        """
 
319
        "called by gobject"
313
320
        self.update()
314
321
        return True             # Keep calling this
315
 
 
316
 
    def delete(self, **kwargs):
 
322
    
 
323
    def delete(self):
317
324
        if self._update_timer_callback_tag is not None:
318
 
            GLib.source_remove(self._update_timer_callback_tag)
 
325
            gobject.source_remove(self._update_timer_callback_tag)
319
326
            self._update_timer_callback_tag = None
320
 
        for match in self.match_objects:
321
 
            match.remove()
322
 
        self.match_objects = ()
323
327
        if self.delete_hook is not None:
324
328
            self.delete_hook(self)
325
 
        return super(MandosClientWidget, self).delete(**kwargs)
326
 
 
327
 
    def render(self, maxcolrow, focus=False):
 
329
    
 
330
    def render(self, (maxcol,), focus=False):
328
331
        """Render differently if we have focus.
329
332
        This overrides the method from urwid.FlowWidget"""
330
 
        return self.current_widget(focus).render(maxcolrow,
 
333
        return self.current_widget(focus).render((maxcol,),
331
334
                                                 focus=focus)
332
 
 
333
 
    def keypress(self, maxcolrow, key):
 
335
    
 
336
    def keypress(self, (maxcol,), key):
334
337
        """Handle keys.
335
338
        This overrides the method from urwid.FlowWidget"""
336
 
        if key == "+":
337
 
            self.proxy.Set(client_interface, "Enabled",
338
 
                           dbus.Boolean(True), ignore_reply=True,
339
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
340
 
        elif key == "-":
341
 
            self.proxy.Set(client_interface, "Enabled", False,
342
 
                           ignore_reply=True,
343
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
344
 
        elif key == "a":
 
339
        if key == u"+":
 
340
            self.proxy.Enable(dbus_interface = client_interface)
 
341
        elif key == u"-":
 
342
            self.proxy.Disable(dbus_interface = client_interface)
 
343
        elif key == u"a":
345
344
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
346
 
                               dbus_interface=client_interface,
347
 
                               ignore_reply=True)
348
 
        elif key == "d":
 
345
                               dbus_interface = client_interface)
 
346
        elif key == u"d":
349
347
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
350
 
                               dbus_interface=client_interface,
351
 
                               ignore_reply=True)
352
 
        elif key == "R" or key == "_" or key == "ctrl k":
 
348
                                  dbus_interface = client_interface)
 
349
        elif key == u"r" or key == u"_" or key == u"ctrl k":
353
350
            self.server_proxy_object.RemoveClient(self.proxy
354
 
                                                  .object_path,
355
 
                                                  ignore_reply=True)
356
 
        elif key == "s":
357
 
            self.proxy.Set(client_interface, "CheckerRunning",
358
 
                           dbus.Boolean(True), ignore_reply=True,
359
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
360
 
        elif key == "S":
361
 
            self.proxy.Set(client_interface, "CheckerRunning",
362
 
                           dbus.Boolean(False), ignore_reply=True,
363
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
364
 
        elif key == "C":
365
 
            self.proxy.CheckedOK(dbus_interface=client_interface,
366
 
                                 ignore_reply=True)
 
351
                                                  .object_path)
 
352
        elif key == u"s":
 
353
            self.proxy.StartChecker(dbus_interface = client_interface)
 
354
        elif key == u"S":
 
355
            self.proxy.StopChecker(dbus_interface = client_interface)
 
356
        elif key == u"C":
 
357
            self.proxy.CheckedOK(dbus_interface = client_interface)
367
358
        # xxx
368
 
#         elif key == "p" or key == "=":
 
359
#         elif key == u"p" or key == "=":
369
360
#             self.proxy.pause()
370
 
#         elif key == "u" or key == ":":
 
361
#         elif key == u"u" or key == ":":
371
362
#             self.proxy.unpause()
372
 
#         elif key == "RET":
 
363
#         elif key == u"RET":
373
364
#             self.open()
374
365
        else:
375
366
            return key
376
 
 
377
 
    def properties_changed(self, interface, properties, invalidated):
378
 
        """Call self.update() if any properties changed.
 
367
    
 
368
    def property_changed(self, property=None, value=None,
 
369
                         *args, **kwargs):
 
370
        """Call self.update() if old value is not new value.
379
371
        This overrides the method from MandosClientPropertyCache"""
380
 
        old_values = {key: self.properties.get(key)
381
 
                      for key in properties.keys()}
382
 
        super(MandosClientWidget, self).properties_changed(
383
 
            interface, properties, invalidated)
384
 
        if any(old_values[key] != self.properties.get(key)
385
 
               for key in old_values):
 
372
        property_name = unicode(property)
 
373
        old_value = self.properties.get(property_name)
 
374
        super(MandosClientWidget, self).property_changed(
 
375
            property=property, value=value, *args, **kwargs)
 
376
        if self.properties.get(property_name) != old_value:
386
377
            self.update()
387
378
 
388
379
 
391
382
    "down" key presses, thus not allowing any containing widgets to
392
383
    use them as an excuse to shift focus away from this widget.
393
384
    """
394
 
    def keypress(self, *args, **kwargs):
395
 
        ret = (super(ConstrainedListBox, self)
396
 
               .keypress(*args, **kwargs))
397
 
        if ret in ("up", "down"):
 
385
    def keypress(self, (maxcol, maxrow), key):
 
386
        ret = super(ConstrainedListBox, self).keypress((maxcol,
 
387
                                                        maxrow), key)
 
388
        if ret in (u"up", u"down"):
398
389
            return
399
390
        return ret
400
391
 
403
394
    """This is the entire user interface - the whole screen
404
395
    with boxes, lists of client widgets, etc.
405
396
    """
406
 
    def __init__(self, max_log_length=1000, log_level=1):
 
397
    def __init__(self, max_log_length=1000):
407
398
        DBusGMainLoop(set_as_default=True)
408
 
 
 
399
        
409
400
        self.screen = urwid.curses_display.Screen()
410
 
 
 
401
        
411
402
        self.screen.register_palette((
412
 
                ("normal",
413
 
                 "default", "default", None),
414
 
                ("bold",
415
 
                 "bold", "default", "bold"),
416
 
                ("underline-blink",
417
 
                 "underline,blink", "default", "underline,blink"),
418
 
                ("standout",
419
 
                 "standout", "default", "standout"),
420
 
                ("bold-underline-blink",
421
 
                 "bold,underline,blink", "default",
422
 
                 "bold,underline,blink"),
423
 
                ("bold-standout",
424
 
                 "bold,standout", "default", "bold,standout"),
425
 
                ("underline-blink-standout",
426
 
                 "underline,blink,standout", "default",
427
 
                 "underline,blink,standout"),
428
 
                ("bold-underline-blink-standout",
429
 
                 "bold,underline,blink,standout", "default",
430
 
                 "bold,underline,blink,standout"),
 
403
                (u"normal",
 
404
                 u"default", u"default", None),
 
405
                (u"bold",
 
406
                 u"default", u"default", u"bold"),
 
407
                (u"underline-blink",
 
408
                 u"default", u"default", u"underline"),
 
409
                (u"standout",
 
410
                 u"default", u"default", u"standout"),
 
411
                (u"bold-underline-blink",
 
412
                 u"default", u"default", (u"bold", u"underline")),
 
413
                (u"bold-standout",
 
414
                 u"default", u"default", (u"bold", u"standout")),
 
415
                (u"underline-blink-standout",
 
416
                 u"default", u"default", (u"underline", u"standout")),
 
417
                (u"bold-underline-blink-standout",
 
418
                 u"default", u"default", (u"bold", u"underline",
 
419
                                          u"standout")),
431
420
                ))
432
 
 
 
421
        
433
422
        if urwid.supports_unicode():
434
 
            self.divider = "─"  # \u2500
 
423
            self.divider = u"─" # \u2500
 
424
            #self.divider = u"━" # \u2501
435
425
        else:
436
 
            self.divider = "_"  # \u005f
437
 
 
 
426
            #self.divider = u"-" # \u002d
 
427
            self.divider = u"_" # \u005f
 
428
        
438
429
        self.screen.start()
439
 
 
 
430
        
440
431
        self.size = self.screen.get_cols_rows()
441
 
 
 
432
        
442
433
        self.clients = urwid.SimpleListWalker([])
443
434
        self.clients_dict = {}
444
 
 
 
435
        
445
436
        # We will add Text widgets to this list
446
437
        self.log = []
447
438
        self.max_log_length = max_log_length
448
 
 
449
 
        self.log_level = log_level
450
 
 
 
439
        
451
440
        # We keep a reference to the log widget so we can remove it
452
441
        # from the ListWalker without it getting destroyed
453
442
        self.logbox = ConstrainedListBox(self.log)
454
 
 
 
443
        
455
444
        # This keeps track of whether self.uilist currently has
456
445
        # self.logbox in it or not
457
446
        self.log_visible = True
458
 
        self.log_wrap = "any"
459
 
 
 
447
        self.log_wrap = u"any"
 
448
        
460
449
        self.rebuild()
461
 
        self.log_message_raw(("bold",
462
 
                              "Mandos Monitor version " + version))
463
 
        self.log_message_raw(("bold",
464
 
                              "q: Quit  ?: Help"))
465
 
 
 
450
        self.log_message_raw((u"bold",
 
451
                              u"Mandos Monitor version " + version))
 
452
        self.log_message_raw((u"bold",
 
453
                              u"q: Quit  ?: Help"))
 
454
        
466
455
        self.busname = domain + '.Mandos'
467
 
        self.main_loop = GLib.MainLoop()
468
 
 
 
456
        self.main_loop = gobject.MainLoop()
 
457
        self.bus = dbus.SystemBus()
 
458
        mandos_dbus_objc = self.bus.get_object(
 
459
            self.busname, u"/", follow_name_owner_changes=True)
 
460
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
461
                                          dbus_interface
 
462
                                          = server_interface)
 
463
        try:
 
464
            mandos_clients = (self.mandos_serv
 
465
                              .GetAllClientsWithProperties())
 
466
        except dbus.exceptions.DBusException:
 
467
            mandos_clients = dbus.Dictionary()
 
468
        
 
469
        (self.mandos_serv
 
470
         .connect_to_signal(u"ClientRemoved",
 
471
                            self.find_and_remove_client,
 
472
                            dbus_interface=server_interface,
 
473
                            byte_arrays=True))
 
474
        (self.mandos_serv
 
475
         .connect_to_signal(u"ClientAdded",
 
476
                            self.add_new_client,
 
477
                            dbus_interface=server_interface,
 
478
                            byte_arrays=True))
 
479
        (self.mandos_serv
 
480
         .connect_to_signal(u"ClientNotFound",
 
481
                            self.client_not_found,
 
482
                            dbus_interface=server_interface,
 
483
                            byte_arrays=True))
 
484
        for path, client in mandos_clients.iteritems():
 
485
            client_proxy_object = self.bus.get_object(self.busname,
 
486
                                                      path)
 
487
            self.add_client(MandosClientWidget(server_proxy_object
 
488
                                               =self.mandos_serv,
 
489
                                               proxy_object
 
490
                                               =client_proxy_object,
 
491
                                               properties=client,
 
492
                                               update_hook
 
493
                                               =self.refresh,
 
494
                                               delete_hook
 
495
                                               =self.remove_client,
 
496
                                               logger
 
497
                                               =self.log_message),
 
498
                            path=path)
 
499
    
469
500
    def client_not_found(self, fingerprint, address):
470
 
        self.log_message("Client with address {} and fingerprint {}"
471
 
                         " could not be found"
472
 
                         .format(address, fingerprint))
473
 
 
 
501
        self.log_message((u"Client with address %s and fingerprint %s"
 
502
                          u" could not be found" % (address,
 
503
                                                    fingerprint)))
 
504
    
474
505
    def rebuild(self):
475
506
        """This rebuilds the User Interface.
476
507
        Call this when the widget layout needs to change"""
477
508
        self.uilist = []
478
 
        # self.uilist.append(urwid.ListBox(self.clients))
 
509
        #self.uilist.append(urwid.ListBox(self.clients))
479
510
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
480
511
                                                          clients),
481
 
                                       # header=urwid.Divider(),
 
512
                                       #header=urwid.Divider(),
482
513
                                       header=None,
483
 
                                       footer=urwid.Divider(
484
 
                                           div_char=self.divider)))
 
514
                                       footer=
 
515
                                       urwid.Divider(div_char=
 
516
                                                     self.divider)))
485
517
        if self.log_visible:
486
518
            self.uilist.append(self.logbox)
 
519
            pass
487
520
        self.topwidget = urwid.Pile(self.uilist)
488
 
 
489
 
    def log_message(self, message, level=1):
490
 
        """Log message formatted with timestamp"""
491
 
        if level < self.log_level:
492
 
            return
 
521
    
 
522
    def log_message(self, message):
493
523
        timestamp = datetime.datetime.now().isoformat()
494
 
        self.log_message_raw("{}: {}".format(timestamp, message),
495
 
                             level=level)
496
 
 
497
 
    def log_message_raw(self, markup, level=1):
 
524
        self.log_message_raw(timestamp + u": " + message)
 
525
    
 
526
    def log_message_raw(self, markup):
498
527
        """Add a log message to the log buffer."""
499
 
        if level < self.log_level:
500
 
            return
501
528
        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-1]
 
529
        if (self.max_log_length
 
530
            and len(self.log) > self.max_log_length):
 
531
            del self.log[0:len(self.log)-self.max_log_length-1]
505
532
        self.logbox.set_focus(len(self.logbox.body.contents),
506
 
                              coming_from="above")
 
533
                              coming_from=u"above")
507
534
        self.refresh()
508
 
 
 
535
    
509
536
    def toggle_log_display(self):
510
537
        """Toggle visibility of the log buffer."""
511
538
        self.log_visible = not self.log_visible
512
539
        self.rebuild()
513
 
        self.log_message("Log visibility changed to: {}"
514
 
                         .format(self.log_visible), level=0)
515
 
 
 
540
        #self.log_message(u"Log visibility changed to: "
 
541
        #                 + unicode(self.log_visible))
 
542
    
516
543
    def change_log_display(self):
517
544
        """Change type of log display.
518
545
        Currently, this toggles wrapping of text lines."""
519
 
        if self.log_wrap == "clip":
520
 
            self.log_wrap = "any"
 
546
        if self.log_wrap == u"clip":
 
547
            self.log_wrap = u"any"
521
548
        else:
522
 
            self.log_wrap = "clip"
 
549
            self.log_wrap = u"clip"
523
550
        for textwidget in self.log:
524
551
            textwidget.set_wrap_mode(self.log_wrap)
525
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
526
 
                         level=0)
527
 
 
528
 
    def find_and_remove_client(self, path, interfaces):
529
 
        """Find a client by its object path and remove it.
530
 
 
531
 
        This is connected to the InterfacesRemoved signal from the
 
552
        #self.log_message(u"Wrap mode: " + self.log_wrap)
 
553
    
 
554
    def find_and_remove_client(self, path, name):
 
555
        """Find an client from its object path and remove it.
 
556
        
 
557
        This is connected to the ClientRemoved signal from the
532
558
        Mandos server object."""
533
 
        if client_interface not in interfaces:
534
 
            # Not a Mandos client object; ignore
535
 
            return
536
559
        try:
537
560
            client = self.clients_dict[path]
538
561
        except KeyError:
539
562
            # not found?
540
 
            self.log_message("Unknown client {!r} removed"
541
 
                             .format(path))
542
 
            return
543
 
        client.delete()
544
 
 
545
 
    def add_new_client(self, path, ifs_and_props):
546
 
        """Find a client by its object path and remove it.
547
 
 
548
 
        This is connected to the InterfacesAdded signal from the
549
 
        Mandos server object.
550
 
        """
551
 
        if client_interface not in ifs_and_props:
552
 
            # Not a Mandos client object; ignore
553
 
            return
 
563
            return
 
564
        self.remove_client(client, path)
 
565
    
 
566
    def add_new_client(self, path):
554
567
        client_proxy_object = self.bus.get_object(self.busname, path)
555
 
        self.add_client(MandosClientWidget(
556
 
            server_proxy_object=self.mandos_serv,
557
 
            proxy_object=client_proxy_object,
558
 
            update_hook=self.refresh,
559
 
            delete_hook=self.remove_client,
560
 
            logger=self.log_message,
561
 
            properties=dict(ifs_and_props[client_interface])),
 
568
        self.add_client(MandosClientWidget(server_proxy_object
 
569
                                           =self.mandos_serv,
 
570
                                           proxy_object
 
571
                                           =client_proxy_object,
 
572
                                           update_hook
 
573
                                           =self.refresh,
 
574
                                           delete_hook
 
575
                                           =self.remove_client,
 
576
                                           logger
 
577
                                           =self.log_message),
562
578
                        path=path)
563
 
 
 
579
    
564
580
    def add_client(self, client, path=None):
565
581
        self.clients.append(client)
566
582
        if path is None:
567
583
            path = client.proxy.object_path
568
584
        self.clients_dict[path] = client
569
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
585
        self.clients.sort(None, lambda c: c.properties[u"Name"])
570
586
        self.refresh()
571
 
 
 
587
    
572
588
    def remove_client(self, client, path=None):
573
589
        self.clients.remove(client)
574
590
        if path is None:
575
591
            path = client.proxy.object_path
576
592
        del self.clients_dict[path]
 
593
        if not self.clients_dict:
 
594
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
595
            # is completely emptied, we need to recreate it.
 
596
            self.clients = urwid.SimpleListWalker([])
 
597
            self.rebuild()
577
598
        self.refresh()
578
 
 
 
599
    
579
600
    def refresh(self):
580
601
        """Redraw the screen"""
581
602
        canvas = self.topwidget.render(self.size, focus=True)
582
603
        self.screen.draw_screen(self.size, canvas)
583
 
 
 
604
    
584
605
    def run(self):
585
606
        """Start the main loop and exit when it's done."""
586
 
        self.bus = dbus.SystemBus()
587
 
        mandos_dbus_objc = self.bus.get_object(
588
 
            self.busname, "/", follow_name_owner_changes=True)
589
 
        self.mandos_serv = dbus.Interface(
590
 
            mandos_dbus_objc, dbus_interface=server_interface)
591
 
        try:
592
 
            mandos_clients = (self.mandos_serv
593
 
                              .GetAllClientsWithProperties())
594
 
            if not mandos_clients:
595
 
                self.log_message_raw(("bold",
596
 
                                      "Note: Server has no clients."))
597
 
        except dbus.exceptions.DBusException:
598
 
            self.log_message_raw(("bold",
599
 
                                  "Note: No Mandos server running."))
600
 
            mandos_clients = dbus.Dictionary()
601
 
 
602
 
        (self.mandos_serv
603
 
         .connect_to_signal("InterfacesRemoved",
604
 
                            self.find_and_remove_client,
605
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
606
 
                            byte_arrays=True))
607
 
        (self.mandos_serv
608
 
         .connect_to_signal("InterfacesAdded",
609
 
                            self.add_new_client,
610
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
611
 
                            byte_arrays=True))
612
 
        (self.mandos_serv
613
 
         .connect_to_signal("ClientNotFound",
614
 
                            self.client_not_found,
615
 
                            dbus_interface=server_interface,
616
 
                            byte_arrays=True))
617
 
        for path, client in mandos_clients.items():
618
 
            client_proxy_object = self.bus.get_object(self.busname,
619
 
                                                      path)
620
 
            self.add_client(MandosClientWidget(
621
 
                server_proxy_object=self.mandos_serv,
622
 
                proxy_object=client_proxy_object,
623
 
                properties=client,
624
 
                update_hook=self.refresh,
625
 
                delete_hook=self.remove_client,
626
 
                logger=self.log_message),
627
 
                            path=path)
628
 
 
629
607
        self.refresh()
630
 
        self._input_callback_tag = (GLib.io_add_watch
 
608
        self._input_callback_tag = (gobject.io_add_watch
631
609
                                    (sys.stdin.fileno(),
632
 
                                     GLib.IO_IN,
 
610
                                     gobject.IO_IN,
633
611
                                     self.process_input))
634
612
        self.main_loop.run()
635
613
        # Main loop has finished, we should close everything now
636
 
        GLib.source_remove(self._input_callback_tag)
 
614
        gobject.source_remove(self._input_callback_tag)
637
615
        self.screen.stop()
638
 
 
 
616
    
639
617
    def stop(self):
640
618
        self.main_loop.quit()
641
 
 
 
619
    
642
620
    def process_input(self, source, condition):
643
621
        keys = self.screen.get_input()
644
 
        translations = {"ctrl n": "down",       # Emacs
645
 
                        "ctrl p": "up",         # Emacs
646
 
                        "ctrl v": "page down",  # Emacs
647
 
                        "meta v": "page up",    # Emacs
648
 
                        " ": "page down",       # less
649
 
                        "f": "page down",       # less
650
 
                        "b": "page up",         # less
651
 
                        "j": "down",            # vi
652
 
                        "k": "up",              # vi
653
 
                        }
 
622
        translations = { u"ctrl n": u"down",      # Emacs
 
623
                         u"ctrl p": u"up",        # Emacs
 
624
                         u"ctrl v": u"page down", # Emacs
 
625
                         u"meta v": u"page up",   # Emacs
 
626
                         u" ": u"page down",      # less
 
627
                         u"f": u"page down",      # less
 
628
                         u"b": u"page up",        # less
 
629
                         u"j": u"down",           # vi
 
630
                         u"k": u"up",             # vi
 
631
                         }
654
632
        for key in keys:
655
633
            try:
656
634
                key = translations[key]
657
635
            except KeyError:    # :-)
658
636
                pass
659
 
 
660
 
            if key == "q" or key == "Q":
 
637
            
 
638
            if key == u"q" or key == u"Q":
661
639
                self.stop()
662
640
                break
663
 
            elif key == "window resize":
 
641
            elif key == u"window resize":
664
642
                self.size = self.screen.get_cols_rows()
665
643
                self.refresh()
666
 
            elif key == "ctrl l":
667
 
                self.screen.clear()
 
644
            elif key == u"\f":  # Ctrl-L
668
645
                self.refresh()
669
 
            elif key == "l" or key == "D":
 
646
            elif key == u"l" or key == u"D":
670
647
                self.toggle_log_display()
671
648
                self.refresh()
672
 
            elif key == "w" or key == "i":
 
649
            elif key == u"w" or key == u"i":
673
650
                self.change_log_display()
674
651
                self.refresh()
675
 
            elif key == "?" or key == "f1" or key == "esc":
 
652
            elif key == u"?" or key == u"f1" or key == u"esc":
676
653
                if not self.log_visible:
677
654
                    self.log_visible = True
678
655
                    self.rebuild()
679
 
                self.log_message_raw(("bold",
680
 
                                      "  ".
681
 
                                      join(("q: Quit",
682
 
                                            "?: Help",
683
 
                                            "l: Log window toggle",
684
 
                                            "TAB: Switch window",
685
 
                                            "w: Wrap (log lines)",
686
 
                                            "v: Toggle verbose log",
687
 
                                            ))))
688
 
                self.log_message_raw(("bold",
689
 
                                      "  "
690
 
                                      .join(("Clients:",
691
 
                                             "+: Enable",
692
 
                                             "-: Disable",
693
 
                                             "R: Remove",
694
 
                                             "s: Start new checker",
695
 
                                             "S: Stop checker",
696
 
                                             "C: Checker OK",
697
 
                                             "a: Approve",
698
 
                                             "d: Deny"))))
 
656
                self.log_message_raw((u"bold",
 
657
                                      u"  ".
 
658
                                      join((u"q: Quit",
 
659
                                            u"?: Help",
 
660
                                            u"l: Log window toggle",
 
661
                                            u"TAB: Switch window",
 
662
                                            u"w: Wrap (log)"))))
 
663
                self.log_message_raw((u"bold",
 
664
                                      u"  "
 
665
                                      .join((u"Clients:",
 
666
                                             u"+: Enable",
 
667
                                             u"-: Disable",
 
668
                                             u"r: Remove",
 
669
                                             u"s: Start new checker",
 
670
                                             u"S: Stop checker",
 
671
                                             u"C: Checker OK",
 
672
                                             u"a: Approve",
 
673
                                             u"d: Deny"))))
699
674
                self.refresh()
700
 
            elif key == "tab":
 
675
            elif key == u"tab":
701
676
                if self.topwidget.get_focus() is self.logbox:
702
677
                    self.topwidget.set_focus(0)
703
678
                else:
704
679
                    self.topwidget.set_focus(self.logbox)
705
680
                self.refresh()
706
 
            elif key == "v":
707
 
                if self.log_level == 0:
708
 
                    self.log_level = 1
709
 
                    self.log_message("Verbose mode: Off")
710
 
                else:
711
 
                    self.log_level = 0
712
 
                    self.log_message("Verbose mode: On")
713
 
            # elif (key == "end" or key == "meta >" or key == "G"
714
 
            #       or key == ">"):
715
 
            #     pass            # xxx end-of-buffer
716
 
            # elif (key == "home" or key == "meta <" or key == "g"
717
 
            #       or key == "<"):
718
 
            #     pass            # xxx beginning-of-buffer
719
 
            # elif key == "ctrl e" or key == "$":
720
 
            #     pass            # xxx move-end-of-line
721
 
            # elif key == "ctrl a" or key == "^":
722
 
            #     pass            # xxx move-beginning-of-line
723
 
            # elif key == "ctrl b" or key == "meta (" or key == "h":
724
 
            #     pass            # xxx left
725
 
            # elif key == "ctrl f" or key == "meta )" or key == "l":
726
 
            #     pass            # xxx right
727
 
            # elif key == "a":
728
 
            #     pass            # scroll up log
729
 
            # elif key == "z":
730
 
            #     pass            # scroll down log
 
681
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
682
            #      or key == u">"):
 
683
            #    pass            # xxx end-of-buffer
 
684
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
685
            #      or key == u"<"):
 
686
            #    pass            # xxx beginning-of-buffer
 
687
            #elif key == u"ctrl e" or key == u"$":
 
688
            #    pass            # xxx move-end-of-line
 
689
            #elif key == u"ctrl a" or key == u"^":
 
690
            #    pass            # xxx move-beginning-of-line
 
691
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
692
            #    pass            # xxx left
 
693
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
694
            #    pass            # xxx right
 
695
            #elif key == u"a":
 
696
            #    pass            # scroll up log
 
697
            #elif key == u"z":
 
698
            #    pass            # scroll down log
731
699
            elif self.topwidget.selectable():
732
700
                self.topwidget.keypress(self.size, key)
733
701
                self.refresh()
734
702
        return True
735
703
 
736
 
 
737
704
ui = UserInterface()
738
705
try:
739
706
    ui.run()
740
707
except KeyboardInterrupt:
741
708
    ui.screen.stop()
742
 
except Exception as e:
743
 
    ui.log_message(str(e))
 
709
except Exception, e:
 
710
    ui.log_message(unicode(e))
744
711
    ui.screen.stop()
745
712
    raise