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  • Committer: Teddy Hogeborn
  • Date: 2010-09-11 18:34:55 UTC
  • mfrom: (24.1.162 mandos)
  • Revision ID: teddy@fukt.bsnet.se-20100911183455-kmzttvbywdbfbepm
Merge from Björn.

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1
#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
3
 
4
 
# Mandos Monitor - Control and monitor the Mandos server
5
 
6
 
# Copyright © 2009-2015 Teddy Hogeborn
7
 
# Copyright © 2009-2015 Björn Påhlsson
8
 
9
 
# This program is free software: you can redistribute it and/or modify
10
 
# it under the terms of the GNU General Public License as published by
11
 
# the Free Software Foundation, either version 3 of the License, or
12
 
# (at your option) any later version.
13
 
#
14
 
#     This program is distributed in the hope that it will be useful,
15
 
#     but WITHOUT ANY WARRANTY; without even the implied warranty of
16
 
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17
 
#     GNU General Public License for more details.
18
 
19
 
# You should have received a copy of the GNU General Public License
20
 
# along with this program.  If not, see
21
 
# <http://www.gnu.org/licenses/>.
22
 
23
 
# Contact the authors at <mandos@recompile.se>.
24
 
25
3
 
26
 
from __future__ import (division, absolute_import, print_function,
27
 
                        unicode_literals)
28
 
try:
29
 
    from future_builtins import *
30
 
except ImportError:
31
 
    pass
 
4
from __future__ import division, absolute_import, with_statement
32
5
 
33
6
import sys
34
7
import os
 
8
import signal
35
9
 
36
10
import datetime
37
11
 
39
13
import urwid
40
14
 
41
15
from dbus.mainloop.glib import DBusGMainLoop
42
 
try:
43
 
    import gobject
44
 
except ImportError:
45
 
    from gi.repository import GObject as gobject
 
16
import gobject
46
17
 
47
18
import dbus
48
19
 
 
20
import UserList
 
21
 
49
22
import locale
50
23
 
51
 
if sys.version_info.major == 2:
52
 
    str = unicode
53
 
 
54
 
locale.setlocale(locale.LC_ALL, '')
 
24
locale.setlocale(locale.LC_ALL, u'')
55
25
 
56
26
import logging
57
27
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
58
28
 
59
29
# Some useful constants
60
 
domain = 'se.recompile'
 
30
domain = 'se.bsnet.fukt'
61
31
server_interface = domain + '.Mandos'
62
32
client_interface = domain + '.Mandos.Client'
63
 
version = "1.6.9"
 
33
version = "1.0.15"
 
34
 
 
35
# Always run in monochrome mode
 
36
urwid.curses_display.curses.has_colors = lambda : False
 
37
 
 
38
# Urwid doesn't support blinking, but we want it.  Since we have no
 
39
# use for underline on its own, we make underline also always blink.
 
40
urwid.curses_display.curses.A_UNDERLINE |= (
 
41
    urwid.curses_display.curses.A_BLINK)
64
42
 
65
43
def isoformat_to_datetime(iso):
66
44
    "Parse an ISO 8601 date string to a datetime.datetime()"
67
45
    if not iso:
68
46
        return None
69
 
    d, t = iso.split("T", 1)
70
 
    year, month, day = d.split("-", 2)
71
 
    hour, minute, second = t.split(":", 2)
 
47
    d, t = iso.split(u"T", 1)
 
48
    year, month, day = d.split(u"-", 2)
 
49
    hour, minute, second = t.split(u":", 2)
72
50
    second, fraction = divmod(float(second), 1)
73
51
    return datetime.datetime(int(year),
74
52
                             int(month),
83
61
    properties and calls a hook function when any of them are
84
62
    changed.
85
63
    """
86
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
64
    def __init__(self, proxy_object=None, *args, **kwargs):
87
65
        self.proxy = proxy_object # Mandos Client proxy object
88
 
        self.properties = dict() if properties is None else properties
89
 
        self.property_changed_match = (
90
 
            self.proxy.connect_to_signal("PropertiesChanged",
91
 
                                         self.properties_changed,
92
 
                                         dbus.PROPERTIES_IFACE,
93
 
                                         byte_arrays=True))
94
 
        
95
 
        if properties is None:
96
 
            self.properties.update(
97
 
                self.proxy.GetAll(client_interface,
98
 
                                  dbus_interface
99
 
                                  = dbus.PROPERTIES_IFACE))
100
 
        
101
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
66
        
 
67
        self.properties = dict()
 
68
        self.proxy.connect_to_signal(u"PropertyChanged",
 
69
                                     self.property_changed,
 
70
                                     client_interface,
 
71
                                     byte_arrays=True)
 
72
        
 
73
        self.properties.update(
 
74
            self.proxy.GetAll(client_interface,
 
75
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
76
 
 
77
        #XXX This break good super behaviour!
 
78
#        super(MandosClientPropertyCache, self).__init__(
 
79
#            *args, **kwargs)
102
80
    
103
 
    def properties_changed(self, interface, properties, invalidated):
104
 
        """This is called whenever we get a PropertiesChanged signal
105
 
        It updates the changed properties in the "properties" dict.
 
81
    def property_changed(self, property=None, value=None):
 
82
        """This is called whenever we get a PropertyChanged signal
 
83
        It updates the changed property in the "properties" dict.
106
84
        """
107
85
        # Update properties dict with new value
108
 
        self.properties.update(properties)
109
 
    
110
 
    def delete(self):
111
 
        self.property_changed_match.remove()
 
86
        self.properties[property] = value
112
87
 
113
88
 
114
89
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
116
91
    """
117
92
    
118
93
    def __init__(self, server_proxy_object=None, update_hook=None,
119
 
                 delete_hook=None, logger=None, **kwargs):
 
94
                 delete_hook=None, logger=None, *args, **kwargs):
120
95
        # Called on update
121
96
        self.update_hook = update_hook
122
97
        # Called on delete
127
102
        self.logger = logger
128
103
        
129
104
        self._update_timer_callback_tag = None
 
105
        self.last_checker_failed = False
130
106
        
131
107
        # The widget shown normally
132
 
        self._text_widget = urwid.Text("")
 
108
        self._text_widget = urwid.Text(u"")
133
109
        # The widget shown when we have focus
134
 
        self._focus_text_widget = urwid.Text("")
135
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
110
        self._focus_text_widget = urwid.Text(u"")
 
111
        super(MandosClientWidget, self).__init__(
 
112
            update_hook=update_hook, delete_hook=delete_hook,
 
113
            *args, **kwargs)
136
114
        self.update()
137
115
        self.opened = False
138
 
        
139
 
        self.match_objects = (
140
 
            self.proxy.connect_to_signal("CheckerCompleted",
141
 
                                         self.checker_completed,
142
 
                                         client_interface,
143
 
                                         byte_arrays=True),
144
 
            self.proxy.connect_to_signal("CheckerStarted",
145
 
                                         self.checker_started,
146
 
                                         client_interface,
147
 
                                         byte_arrays=True),
148
 
            self.proxy.connect_to_signal("GotSecret",
149
 
                                         self.got_secret,
150
 
                                         client_interface,
151
 
                                         byte_arrays=True),
152
 
            self.proxy.connect_to_signal("NeedApproval",
153
 
                                         self.need_approval,
154
 
                                         client_interface,
155
 
                                         byte_arrays=True),
156
 
            self.proxy.connect_to_signal("Rejected",
157
 
                                         self.rejected,
158
 
                                         client_interface,
159
 
                                         byte_arrays=True))
160
 
        self.logger('Created client {}'
161
 
                    .format(self.properties["Name"]), level=0)
162
 
    
163
 
    def using_timer(self, flag):
164
 
        """Call this method with True or False when timer should be
165
 
        activated or deactivated.
166
 
        """
167
 
        if flag and self._update_timer_callback_tag is None:
168
 
            # Will update the shown timer value every second
 
116
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
117
                                     self.checker_completed,
 
118
                                     client_interface,
 
119
                                     byte_arrays=True)
 
120
        self.proxy.connect_to_signal(u"CheckerStarted",
 
121
                                     self.checker_started,
 
122
                                     client_interface,
 
123
                                     byte_arrays=True)
 
124
        self.proxy.connect_to_signal(u"GotSecret",
 
125
                                     self.got_secret,
 
126
                                     client_interface,
 
127
                                     byte_arrays=True)
 
128
        self.proxy.connect_to_signal(u"NeedApproval",
 
129
                                     self.need_approval,
 
130
                                     client_interface,
 
131
                                     byte_arrays=True)
 
132
        self.proxy.connect_to_signal(u"Rejected",
 
133
                                     self.rejected,
 
134
                                     client_interface,
 
135
                                     byte_arrays=True)
 
136
        last_checked_ok = isoformat_to_datetime(self.properties
 
137
                                                ["last_checked_ok"])
 
138
        if last_checked_ok is None:
 
139
            self.last_checker_failed = True
 
140
        else:
 
141
            self.last_checker_failed = ((datetime.datetime.utcnow()
 
142
                                         - last_checked_ok)
 
143
                                        > datetime.timedelta
 
144
                                        (milliseconds=
 
145
                                         self.properties["interval"]))
 
146
        if self.last_checker_failed:
169
147
            self._update_timer_callback_tag = (gobject.timeout_add
170
148
                                               (1000,
171
149
                                                self.update_timer))
172
 
        elif not (flag or self._update_timer_callback_tag is None):
173
 
            gobject.source_remove(self._update_timer_callback_tag)
174
 
            self._update_timer_callback_tag = None
175
150
    
176
151
    def checker_completed(self, exitstatus, condition, command):
177
152
        if exitstatus == 0:
178
 
            self.logger('Checker for client {} (command "{}")'
179
 
                        ' succeeded'.format(self.properties["Name"],
180
 
                                            command), level=0)
 
153
            if self.last_checker_failed:
 
154
                self.last_checker_failed = False
 
155
                gobject.source_remove(self._update_timer_callback_tag)
 
156
                self._update_timer_callback_tag = None
 
157
            self.logger(u'Checker for client %s (command "%s")'
 
158
                        u' was successful'
 
159
                        % (self.properties[u"name"], command))
181
160
            self.update()
182
161
            return
183
162
        # Checker failed
 
163
        if not self.last_checker_failed:
 
164
            self.last_checker_failed = True
 
165
            self._update_timer_callback_tag = (gobject.timeout_add
 
166
                                               (1000,
 
167
                                                self.update_timer))
184
168
        if os.WIFEXITED(condition):
185
 
            self.logger('Checker for client {} (command "{}") failed'
186
 
                        ' with exit code {}'
187
 
                        .format(self.properties["Name"], command,
188
 
                                os.WEXITSTATUS(condition)))
 
169
            self.logger(u'Checker for client %s (command "%s")'
 
170
                        u' failed with exit code %s'
 
171
                        % (self.properties[u"name"], command,
 
172
                           os.WEXITSTATUS(condition)))
189
173
        elif os.WIFSIGNALED(condition):
190
 
            self.logger('Checker for client {} (command "{}") was'
191
 
                        ' killed by signal {}'
192
 
                        .format(self.properties["Name"], command,
193
 
                                os.WTERMSIG(condition)))
 
174
            self.logger(u'Checker for client %s (command "%s")'
 
175
                        u' was killed by signal %s'
 
176
                        % (self.properties[u"name"], command,
 
177
                           os.WTERMSIG(condition)))
 
178
        elif os.WCOREDUMP(condition):
 
179
            self.logger(u'Checker for client %s (command "%s")'
 
180
                        u' dumped core'
 
181
                        % (self.properties[u"name"], command))
 
182
        else:
 
183
            self.logger(u'Checker for client %s completed mysteriously')
194
184
        self.update()
195
185
    
196
186
    def checker_started(self, command):
197
 
        """Server signals that a checker started."""
198
 
        self.logger('Client {} started checker "{}"'
199
 
                    .format(self.properties["Name"],
200
 
                            command), level=0)
 
187
        #self.logger(u'Client %s started checker "%s"'
 
188
        #            % (self.properties[u"name"], unicode(command)))
 
189
        pass
201
190
    
202
191
    def got_secret(self):
203
 
        self.logger('Client {} received its secret'
204
 
                    .format(self.properties["Name"]))
 
192
        self.last_checker_failed = False
 
193
        self.logger(u'Client %s received its secret'
 
194
                    % self.properties[u"name"])
205
195
    
206
196
    def need_approval(self, timeout, default):
207
197
        if not default:
208
 
            message = 'Client {} needs approval within {} seconds'
 
198
            message = u'Client %s needs approval within %s seconds'
209
199
        else:
210
 
            message = 'Client {} will get its secret in {} seconds'
211
 
        self.logger(message.format(self.properties["Name"],
212
 
                                   timeout/1000))
 
200
            message = u'Client %s will get its secret in %s seconds'
 
201
        self.logger(message
 
202
                    % (self.properties[u"name"], timeout/1000))
213
203
    
214
204
    def rejected(self, reason):
215
 
        self.logger('Client {} was rejected; reason: {}'
216
 
                    .format(self.properties["Name"], reason))
 
205
        self.logger(u'Client %s was rejected; reason: %s'
 
206
                    % (self.properties[u"name"], reason))
217
207
    
218
208
    def selectable(self):
219
209
        """Make this a "selectable" widget.
220
210
        This overrides the method from urwid.FlowWidget."""
221
211
        return True
222
212
    
223
 
    def rows(self, maxcolrow, focus=False):
 
213
    def rows(self, (maxcol,), focus=False):
224
214
        """How many rows this widget will occupy might depend on
225
215
        whether we have focus or not.
226
216
        This overrides the method from urwid.FlowWidget"""
227
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
217
        return self.current_widget(focus).rows((maxcol,), focus=focus)
228
218
    
229
219
    def current_widget(self, focus=False):
230
220
        if focus or self.opened:
234
224
    def update(self):
235
225
        "Called when what is visible on the screen should be updated."
236
226
        # How to add standout mode to a style
237
 
        with_standout = { "normal": "standout",
238
 
                          "bold": "bold-standout",
239
 
                          "underline-blink":
240
 
                              "underline-blink-standout",
241
 
                          "bold-underline-blink":
242
 
                              "bold-underline-blink-standout",
 
227
        with_standout = { u"normal": u"standout",
 
228
                          u"bold": u"bold-standout",
 
229
                          u"underline-blink":
 
230
                              u"underline-blink-standout",
 
231
                          u"bold-underline-blink":
 
232
                              u"bold-underline-blink-standout",
243
233
                          }
244
 
        
 
234
 
245
235
        # Rebuild focus and non-focus widgets using current properties
246
 
        
 
236
 
247
237
        # Base part of a client. Name!
248
 
        base = '{name}: '.format(name=self.properties["Name"])
249
 
        if not self.properties["Enabled"]:
250
 
            message = "DISABLED"
251
 
            self.using_timer(False)
252
 
        elif self.properties["ApprovalPending"]:
 
238
        base = (u'%(name)s: '
 
239
                      % {u"name": self.properties[u"name"]})
 
240
        if not self.properties[u"enabled"]:
 
241
            message = u"DISABLED"
 
242
        elif self.properties[u"approved_pending"]:
 
243
            if self.properties[u"approved_by_default"]:
 
244
                message = u"Connection established to client. (d)eny?"
 
245
            else:
 
246
                message = u"Seeks approval to send secret. (a)pprove?"
 
247
        elif self.last_checker_failed:
253
248
            timeout = datetime.timedelta(milliseconds
254
 
                                         = self.properties
255
 
                                         ["ApprovalDelay"])
256
 
            last_approval_request = isoformat_to_datetime(
257
 
                self.properties["LastApprovalRequest"])
258
 
            if last_approval_request is not None:
259
 
                timer = max(timeout - (datetime.datetime.utcnow()
260
 
                                       - last_approval_request),
261
 
                            datetime.timedelta())
262
 
            else:
263
 
                timer = datetime.timedelta()
264
 
            if self.properties["ApprovedByDefault"]:
265
 
                message = "Approval in {}. (d)eny?"
266
 
            else:
267
 
                message = "Denial in {}. (a)pprove?"
268
 
            message = message.format(str(timer).rsplit(".", 1)[0])
269
 
            self.using_timer(True)
270
 
        elif self.properties["LastCheckerStatus"] != 0:
271
 
            # When checker has failed, show timer until client expires
272
 
            expires = self.properties["Expires"]
273
 
            if expires == "":
274
 
                timer = datetime.timedelta(0)
275
 
            else:
276
 
                expires = (datetime.datetime.strptime
277
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
278
 
                timer = max(expires - datetime.datetime.utcnow(),
279
 
                            datetime.timedelta())
280
 
            message = ('A checker has failed! Time until client'
281
 
                       ' gets disabled: {}'
282
 
                       .format(str(timer).rsplit(".", 1)[0]))
283
 
            self.using_timer(True)
 
249
                                         = self.properties[u"timeout"])
 
250
            last_ok = isoformat_to_datetime(
 
251
                max((self.properties["last_checked_ok"]
 
252
                     or self.properties["created"]),
 
253
                    self.properties[u"last_enabled"]))
 
254
            timer = timeout - (datetime.datetime.utcnow() - last_ok)
 
255
            message = (u'A checker has failed! Time until client gets diabled: %s'
 
256
                           % unicode(timer).rsplit(".", 1)[0])
284
257
        else:
285
 
            message = "enabled"
286
 
            self.using_timer(False)
287
 
        self._text = "{}{}".format(base, message)
288
 
        
 
258
            message = u"enabled"
 
259
        self._text = "%s%s" % (base, message)
 
260
            
289
261
        if not urwid.supports_unicode():
290
262
            self._text = self._text.encode("ascii", "replace")
291
 
        textlist = [("normal", self._text)]
 
263
        textlist = [(u"normal", self._text)]
292
264
        self._text_widget.set_text(textlist)
293
265
        self._focus_text_widget.set_text([(with_standout[text[0]],
294
266
                                           text[1])
303
275
            self.update_hook()
304
276
    
305
277
    def update_timer(self):
306
 
        """called by gobject. Will indefinitely loop until
307
 
        gobject.source_remove() on tag is called"""
 
278
        "called by gobject"
308
279
        self.update()
309
280
        return True             # Keep calling this
310
281
    
311
 
    def delete(self, **kwargs):
 
282
    def delete(self):
312
283
        if self._update_timer_callback_tag is not None:
313
284
            gobject.source_remove(self._update_timer_callback_tag)
314
285
            self._update_timer_callback_tag = None
315
 
        for match in self.match_objects:
316
 
            match.remove()
317
 
        self.match_objects = ()
318
286
        if self.delete_hook is not None:
319
287
            self.delete_hook(self)
320
 
        return super(MandosClientWidget, self).delete(**kwargs)
321
288
    
322
 
    def render(self, maxcolrow, focus=False):
 
289
    def render(self, (maxcol,), focus=False):
323
290
        """Render differently if we have focus.
324
291
        This overrides the method from urwid.FlowWidget"""
325
 
        return self.current_widget(focus).render(maxcolrow,
 
292
        return self.current_widget(focus).render((maxcol,),
326
293
                                                 focus=focus)
327
294
    
328
 
    def keypress(self, maxcolrow, key):
 
295
    def keypress(self, (maxcol,), key):
329
296
        """Handle keys.
330
297
        This overrides the method from urwid.FlowWidget"""
331
 
        if key == "+":
332
 
            self.proxy.Set(client_interface, "Enabled",
333
 
                           dbus.Boolean(True), ignore_reply = True,
334
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
335
 
        elif key == "-":
336
 
            self.proxy.Set(client_interface, "Enabled", False,
337
 
                           ignore_reply = True,
338
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
339
 
        elif key == "a":
 
298
        if key == u"+":
 
299
            self.proxy.Enable(dbus_interface = client_interface)
 
300
        elif key == u"-":
 
301
            self.proxy.Disable(dbus_interface = client_interface)
 
302
        elif key == u"a":
340
303
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
341
 
                               dbus_interface = client_interface,
342
 
                               ignore_reply=True)
343
 
        elif key == "d":
 
304
                               dbus_interface = client_interface)
 
305
        elif key == u"d":
344
306
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
345
 
                                  dbus_interface = client_interface,
346
 
                               ignore_reply=True)
347
 
        elif key == "R" or key == "_" or key == "ctrl k":
 
307
                                  dbus_interface = client_interface)
 
308
        elif key == u"r" or key == u"_" or key == u"ctrl k":
348
309
            self.server_proxy_object.RemoveClient(self.proxy
349
 
                                                  .object_path,
350
 
                                                  ignore_reply=True)
351
 
        elif key == "s":
352
 
            self.proxy.Set(client_interface, "CheckerRunning",
353
 
                           dbus.Boolean(True), ignore_reply = True,
354
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
355
 
        elif key == "S":
356
 
            self.proxy.Set(client_interface, "CheckerRunning",
357
 
                           dbus.Boolean(False), ignore_reply = True,
358
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
359
 
        elif key == "C":
360
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
361
 
                                 ignore_reply=True)
 
310
                                                  .object_path)
 
311
        elif key == u"s":
 
312
            self.proxy.StartChecker(dbus_interface = client_interface)
 
313
        elif key == u"S":
 
314
            self.proxy.StopChecker(dbus_interface = client_interface)
 
315
        elif key == u"C":
 
316
            self.proxy.CheckedOK(dbus_interface = client_interface)
362
317
        # xxx
363
 
#         elif key == "p" or key == "=":
 
318
#         elif key == u"p" or key == "=":
364
319
#             self.proxy.pause()
365
 
#         elif key == "u" or key == ":":
 
320
#         elif key == u"u" or key == ":":
366
321
#             self.proxy.unpause()
367
 
#         elif key == "RET":
 
322
#         elif key == u"RET":
368
323
#             self.open()
 
324
#        elif key == u"+":
 
325
#            self.proxy.Approve(True)
 
326
#        elif key == u"-":
 
327
#            self.proxy.Approve(False)
369
328
        else:
370
329
            return key
371
330
    
372
 
    def properties_changed(self, interface, properties, invalidated):
373
 
        """Call self.update() if any properties changed.
 
331
    def property_changed(self, property=None, value=None,
 
332
                         *args, **kwargs):
 
333
        """Call self.update() if old value is not new value.
374
334
        This overrides the method from MandosClientPropertyCache"""
375
 
        old_values = { key: self.properties.get(key)
376
 
                       for key in properties.keys() }
377
 
        super(MandosClientWidget, self).properties_changed(
378
 
            interface, properties, invalidated)
379
 
        if any(old_values[key] != self.properties.get(key)
380
 
               for key in old_values):
 
335
        property_name = unicode(property)
 
336
        old_value = self.properties.get(property_name)
 
337
        super(MandosClientWidget, self).property_changed(
 
338
            property=property, value=value, *args, **kwargs)
 
339
        if self.properties.get(property_name) != old_value:
381
340
            self.update()
382
341
 
383
342
 
386
345
    "down" key presses, thus not allowing any containing widgets to
387
346
    use them as an excuse to shift focus away from this widget.
388
347
    """
389
 
    def keypress(self, *args, **kwargs):
390
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
391
 
        if ret in ("up", "down"):
 
348
    def keypress(self, (maxcol, maxrow), key):
 
349
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
 
350
        if ret in (u"up", u"down"):
392
351
            return
393
352
        return ret
394
353
 
397
356
    """This is the entire user interface - the whole screen
398
357
    with boxes, lists of client widgets, etc.
399
358
    """
400
 
    def __init__(self, max_log_length=1000, log_level=1):
 
359
    def __init__(self, max_log_length=1000):
401
360
        DBusGMainLoop(set_as_default=True)
402
361
        
403
362
        self.screen = urwid.curses_display.Screen()
404
363
        
405
364
        self.screen.register_palette((
406
 
                ("normal",
407
 
                 "default", "default", None),
408
 
                ("bold",
409
 
                 "bold", "default", "bold"),
410
 
                ("underline-blink",
411
 
                 "underline,blink", "default", "underline,blink"),
412
 
                ("standout",
413
 
                 "standout", "default", "standout"),
414
 
                ("bold-underline-blink",
415
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
416
 
                ("bold-standout",
417
 
                 "bold,standout", "default", "bold,standout"),
418
 
                ("underline-blink-standout",
419
 
                 "underline,blink,standout", "default",
420
 
                 "underline,blink,standout"),
421
 
                ("bold-underline-blink-standout",
422
 
                 "bold,underline,blink,standout", "default",
423
 
                 "bold,underline,blink,standout"),
 
365
                (u"normal",
 
366
                 u"default", u"default", None),
 
367
                (u"bold",
 
368
                 u"default", u"default", u"bold"),
 
369
                (u"underline-blink",
 
370
                 u"default", u"default", u"underline"),
 
371
                (u"standout",
 
372
                 u"default", u"default", u"standout"),
 
373
                (u"bold-underline-blink",
 
374
                 u"default", u"default", (u"bold", u"underline")),
 
375
                (u"bold-standout",
 
376
                 u"default", u"default", (u"bold", u"standout")),
 
377
                (u"underline-blink-standout",
 
378
                 u"default", u"default", (u"underline", u"standout")),
 
379
                (u"bold-underline-blink-standout",
 
380
                 u"default", u"default", (u"bold", u"underline",
 
381
                                          u"standout")),
424
382
                ))
425
383
        
426
384
        if urwid.supports_unicode():
427
 
            self.divider = "─" # \u2500
428
 
            #self.divider = "━" # \u2501
 
385
            self.divider = u"─" # \u2500
 
386
            #self.divider = u"━" # \u2501
429
387
        else:
430
 
            #self.divider = "-" # \u002d
431
 
            self.divider = "_" # \u005f
 
388
            #self.divider = u"-" # \u002d
 
389
            self.divider = u"_" # \u005f
432
390
        
433
391
        self.screen.start()
434
392
        
441
399
        self.log = []
442
400
        self.max_log_length = max_log_length
443
401
        
444
 
        self.log_level = log_level
445
 
        
446
402
        # We keep a reference to the log widget so we can remove it
447
403
        # from the ListWalker without it getting destroyed
448
404
        self.logbox = ConstrainedListBox(self.log)
450
406
        # This keeps track of whether self.uilist currently has
451
407
        # self.logbox in it or not
452
408
        self.log_visible = True
453
 
        self.log_wrap = "any"
 
409
        self.log_wrap = u"any"
454
410
        
455
411
        self.rebuild()
456
 
        self.log_message_raw(("bold",
457
 
                              "Mandos Monitor version " + version))
458
 
        self.log_message_raw(("bold",
459
 
                              "q: Quit  ?: Help"))
 
412
        self.log_message_raw((u"bold",
 
413
                              u"Mandos Monitor version " + version))
 
414
        self.log_message_raw((u"bold",
 
415
                              u"q: Quit  ?: Help"))
460
416
        
461
417
        self.busname = domain + '.Mandos'
462
418
        self.main_loop = gobject.MainLoop()
 
419
        self.bus = dbus.SystemBus()
 
420
        mandos_dbus_objc = self.bus.get_object(
 
421
            self.busname, u"/", follow_name_owner_changes=True)
 
422
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
423
                                          dbus_interface
 
424
                                          = server_interface)
 
425
        try:
 
426
            mandos_clients = (self.mandos_serv
 
427
                              .GetAllClientsWithProperties())
 
428
        except dbus.exceptions.DBusException:
 
429
            mandos_clients = dbus.Dictionary()
 
430
        
 
431
        (self.mandos_serv
 
432
         .connect_to_signal(u"ClientRemoved",
 
433
                            self.find_and_remove_client,
 
434
                            dbus_interface=server_interface,
 
435
                            byte_arrays=True))
 
436
        (self.mandos_serv
 
437
         .connect_to_signal(u"ClientAdded",
 
438
                            self.add_new_client,
 
439
                            dbus_interface=server_interface,
 
440
                            byte_arrays=True))
 
441
        (self.mandos_serv
 
442
         .connect_to_signal(u"ClientNotFound",
 
443
                            self.client_not_found,
 
444
                            dbus_interface=server_interface,
 
445
                            byte_arrays=True))
 
446
        for path, client in mandos_clients.iteritems():
 
447
            client_proxy_object = self.bus.get_object(self.busname,
 
448
                                                      path)
 
449
            self.add_client(MandosClientWidget(server_proxy_object
 
450
                                               =self.mandos_serv,
 
451
                                               proxy_object
 
452
                                               =client_proxy_object,
 
453
                                               properties=client,
 
454
                                               update_hook
 
455
                                               =self.refresh,
 
456
                                               delete_hook
 
457
                                               =self.remove_client,
 
458
                                               logger
 
459
                                               =self.log_message),
 
460
                            path=path)
463
461
    
464
462
    def client_not_found(self, fingerprint, address):
465
 
        self.log_message("Client with address {} and fingerprint {}"
466
 
                         " could not be found"
467
 
                         .format(address, fingerprint))
 
463
        self.log_message((u"Client with address %s and fingerprint %s"
 
464
                          u" could not be found" % (address,
 
465
                                                    fingerprint)))
468
466
    
469
467
    def rebuild(self):
470
468
        """This rebuilds the User Interface.
471
469
        Call this when the widget layout needs to change"""
472
470
        self.uilist = []
473
471
        #self.uilist.append(urwid.ListBox(self.clients))
474
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
475
 
                                                          clients),
 
472
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
476
473
                                       #header=urwid.Divider(),
477
474
                                       header=None,
478
 
                                       footer=
479
 
                                       urwid.Divider(div_char=
480
 
                                                     self.divider)))
 
475
                                       footer=urwid.Divider(div_char=self.divider)))
481
476
        if self.log_visible:
482
477
            self.uilist.append(self.logbox)
 
478
            pass
483
479
        self.topwidget = urwid.Pile(self.uilist)
484
480
    
485
 
    def log_message(self, message, level=1):
486
 
        """Log message formatted with timestamp"""
487
 
        if level < self.log_level:
488
 
            return
 
481
    def log_message(self, message):
489
482
        timestamp = datetime.datetime.now().isoformat()
490
 
        self.log_message_raw("{}: {}".format(timestamp, message),
491
 
                             level=level)
 
483
        self.log_message_raw(timestamp + u": " + message)
492
484
    
493
 
    def log_message_raw(self, markup, level=1):
 
485
    def log_message_raw(self, markup):
494
486
        """Add a log message to the log buffer."""
495
 
        if level < self.log_level:
496
 
            return
497
487
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
498
488
        if (self.max_log_length
499
489
            and len(self.log) > self.max_log_length):
500
490
            del self.log[0:len(self.log)-self.max_log_length-1]
501
491
        self.logbox.set_focus(len(self.logbox.body.contents),
502
 
                              coming_from="above")
 
492
                              coming_from=u"above")
503
493
        self.refresh()
504
494
    
505
495
    def toggle_log_display(self):
506
496
        """Toggle visibility of the log buffer."""
507
497
        self.log_visible = not self.log_visible
508
498
        self.rebuild()
509
 
        self.log_message("Log visibility changed to: {}"
510
 
                         .format(self.log_visible), level=0)
 
499
        self.log_message(u"Log visibility changed to: "
 
500
                         + unicode(self.log_visible))
511
501
    
512
502
    def change_log_display(self):
513
503
        """Change type of log display.
514
504
        Currently, this toggles wrapping of text lines."""
515
 
        if self.log_wrap == "clip":
516
 
            self.log_wrap = "any"
 
505
        if self.log_wrap == u"clip":
 
506
            self.log_wrap = u"any"
517
507
        else:
518
 
            self.log_wrap = "clip"
 
508
            self.log_wrap = u"clip"
519
509
        for textwidget in self.log:
520
510
            textwidget.set_wrap_mode(self.log_wrap)
521
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
522
 
                         level=0)
 
511
        self.log_message(u"Wrap mode: " + self.log_wrap)
523
512
    
524
513
    def find_and_remove_client(self, path, name):
525
 
        """Find a client by its object path and remove it.
 
514
        """Find an client from its object path and remove it.
526
515
        
527
516
        This is connected to the ClientRemoved signal from the
528
517
        Mandos server object."""
530
519
            client = self.clients_dict[path]
531
520
        except KeyError:
532
521
            # not found?
533
 
            self.log_message("Unknown client {!r} ({!r}) removed"
534
 
                             .format(name, path))
535
522
            return
536
 
        client.delete()
 
523
        self.remove_client(client, path)
537
524
    
538
525
    def add_new_client(self, path):
539
526
        client_proxy_object = self.bus.get_object(self.busname, path)
554
541
        if path is None:
555
542
            path = client.proxy.object_path
556
543
        self.clients_dict[path] = client
557
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
544
        self.clients.sort(None, lambda c: c.properties[u"name"])
558
545
        self.refresh()
559
546
    
560
547
    def remove_client(self, client, path=None):
562
549
        if path is None:
563
550
            path = client.proxy.object_path
564
551
        del self.clients_dict[path]
 
552
        if not self.clients_dict:
 
553
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
554
            # is completely emptied, we need to recreate it.
 
555
            self.clients = urwid.SimpleListWalker([])
 
556
            self.rebuild()
565
557
        self.refresh()
566
558
    
567
559
    def refresh(self):
571
563
    
572
564
    def run(self):
573
565
        """Start the main loop and exit when it's done."""
574
 
        self.bus = dbus.SystemBus()
575
 
        mandos_dbus_objc = self.bus.get_object(
576
 
            self.busname, "/", follow_name_owner_changes=True)
577
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
578
 
                                          dbus_interface
579
 
                                          = server_interface)
580
 
        try:
581
 
            mandos_clients = (self.mandos_serv
582
 
                              .GetAllClientsWithProperties())
583
 
            if not mandos_clients:
584
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
585
 
        except dbus.exceptions.DBusException:
586
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
587
 
            mandos_clients = dbus.Dictionary()
588
 
        
589
 
        (self.mandos_serv
590
 
         .connect_to_signal("ClientRemoved",
591
 
                            self.find_and_remove_client,
592
 
                            dbus_interface=server_interface,
593
 
                            byte_arrays=True))
594
 
        (self.mandos_serv
595
 
         .connect_to_signal("ClientAdded",
596
 
                            self.add_new_client,
597
 
                            dbus_interface=server_interface,
598
 
                            byte_arrays=True))
599
 
        (self.mandos_serv
600
 
         .connect_to_signal("ClientNotFound",
601
 
                            self.client_not_found,
602
 
                            dbus_interface=server_interface,
603
 
                            byte_arrays=True))
604
 
        for path, client in mandos_clients.items():
605
 
            client_proxy_object = self.bus.get_object(self.busname,
606
 
                                                      path)
607
 
            self.add_client(MandosClientWidget(server_proxy_object
608
 
                                               =self.mandos_serv,
609
 
                                               proxy_object
610
 
                                               =client_proxy_object,
611
 
                                               properties=client,
612
 
                                               update_hook
613
 
                                               =self.refresh,
614
 
                                               delete_hook
615
 
                                               =self.remove_client,
616
 
                                               logger
617
 
                                               =self.log_message),
618
 
                            path=path)
619
 
        
620
566
        self.refresh()
621
567
        self._input_callback_tag = (gobject.io_add_watch
622
568
                                    (sys.stdin.fileno(),
632
578
    
633
579
    def process_input(self, source, condition):
634
580
        keys = self.screen.get_input()
635
 
        translations = { "ctrl n": "down",      # Emacs
636
 
                         "ctrl p": "up",        # Emacs
637
 
                         "ctrl v": "page down", # Emacs
638
 
                         "meta v": "page up",   # Emacs
639
 
                         " ": "page down",      # less
640
 
                         "f": "page down",      # less
641
 
                         "b": "page up",        # less
642
 
                         "j": "down",           # vi
643
 
                         "k": "up",             # vi
 
581
        translations = { u"ctrl n": u"down",      # Emacs
 
582
                         u"ctrl p": u"up",        # Emacs
 
583
                         u"ctrl v": u"page down", # Emacs
 
584
                         u"meta v": u"page up",   # Emacs
 
585
                         u" ": u"page down",      # less
 
586
                         u"f": u"page down",      # less
 
587
                         u"b": u"page up",        # less
 
588
                         u"j": u"down",           # vi
 
589
                         u"k": u"up",             # vi
644
590
                         }
645
591
        for key in keys:
646
592
            try:
648
594
            except KeyError:    # :-)
649
595
                pass
650
596
            
651
 
            if key == "q" or key == "Q":
 
597
            if key == u"q" or key == u"Q":
652
598
                self.stop()
653
599
                break
654
 
            elif key == "window resize":
 
600
            elif key == u"window resize":
655
601
                self.size = self.screen.get_cols_rows()
656
602
                self.refresh()
657
 
            elif key == "ctrl l":
658
 
                self.screen.clear()
 
603
            elif key == u"\f":  # Ctrl-L
659
604
                self.refresh()
660
 
            elif key == "l" or key == "D":
 
605
            elif key == u"l" or key == u"D":
661
606
                self.toggle_log_display()
662
607
                self.refresh()
663
 
            elif key == "w" or key == "i":
 
608
            elif key == u"w" or key == u"i":
664
609
                self.change_log_display()
665
610
                self.refresh()
666
 
            elif key == "?" or key == "f1" or key == "esc":
 
611
            elif key == u"?" or key == u"f1" or key == u"esc":
667
612
                if not self.log_visible:
668
613
                    self.log_visible = True
669
614
                    self.rebuild()
670
 
                self.log_message_raw(("bold",
671
 
                                      "  ".
672
 
                                      join(("q: Quit",
673
 
                                            "?: Help",
674
 
                                            "l: Log window toggle",
675
 
                                            "TAB: Switch window",
676
 
                                            "w: Wrap (log lines)",
677
 
                                            "v: Toggle verbose log",
678
 
                                            ))))
679
 
                self.log_message_raw(("bold",
680
 
                                      "  "
681
 
                                      .join(("Clients:",
682
 
                                             "+: Enable",
683
 
                                             "-: Disable",
684
 
                                             "R: Remove",
685
 
                                             "s: Start new checker",
686
 
                                             "S: Stop checker",
687
 
                                             "C: Checker OK",
688
 
                                             "a: Approve",
689
 
                                             "d: Deny"))))
 
615
                self.log_message_raw((u"bold",
 
616
                                      u"  ".
 
617
                                      join((u"q: Quit",
 
618
                                            u"?: Help",
 
619
                                            u"l: Log window toggle",
 
620
                                            u"TAB: Switch window",
 
621
                                            u"w: Wrap (log)"))))
 
622
                self.log_message_raw((u"bold",
 
623
                                      u"  "
 
624
                                      .join((u"Clients:",
 
625
                                             u"+: Enable",
 
626
                                             u"-: Disable",
 
627
                                             u"r: Remove",
 
628
                                             u"s: Start new checker",
 
629
                                             u"S: Stop checker",
 
630
                                             u"C: Checker OK",
 
631
                                             u"a: Approve",
 
632
                                             u"d: Deny"))))
690
633
                self.refresh()
691
 
            elif key == "tab":
 
634
            elif key == u"tab":
692
635
                if self.topwidget.get_focus() is self.logbox:
693
636
                    self.topwidget.set_focus(0)
694
637
                else:
695
638
                    self.topwidget.set_focus(self.logbox)
696
639
                self.refresh()
697
 
            elif key == "v":
698
 
                if self.log_level == 0:
699
 
                    self.log_level = 1
700
 
                    self.log_message("Verbose mode: Off")
701
 
                else:
702
 
                    self.log_level = 0
703
 
                    self.log_message("Verbose mode: On")
704
 
            #elif (key == "end" or key == "meta >" or key == "G"
705
 
            #      or key == ">"):
 
640
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
641
            #      or key == u">"):
706
642
            #    pass            # xxx end-of-buffer
707
 
            #elif (key == "home" or key == "meta <" or key == "g"
708
 
            #      or key == "<"):
 
643
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
644
            #      or key == u"<"):
709
645
            #    pass            # xxx beginning-of-buffer
710
 
            #elif key == "ctrl e" or key == "$":
 
646
            #elif key == u"ctrl e" or key == u"$":
711
647
            #    pass            # xxx move-end-of-line
712
 
            #elif key == "ctrl a" or key == "^":
 
648
            #elif key == u"ctrl a" or key == u"^":
713
649
            #    pass            # xxx move-beginning-of-line
714
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
650
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
715
651
            #    pass            # xxx left
716
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
652
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
717
653
            #    pass            # xxx right
718
 
            #elif key == "a":
 
654
            #elif key == u"a":
719
655
            #    pass            # scroll up log
720
 
            #elif key == "z":
 
656
            #elif key == u"z":
721
657
            #    pass            # scroll down log
722
658
            elif self.topwidget.selectable():
723
659
                self.topwidget.keypress(self.size, key)
729
665
    ui.run()
730
666
except KeyboardInterrupt:
731
667
    ui.screen.stop()
732
 
except Exception as e:
733
 
    ui.log_message(str(e))
 
668
except Exception, e:
 
669
    ui.log_message(unicode(e))
734
670
    ui.screen.stop()
735
671
    raise